Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the liklihood that each baby will be a girl?

Answers

Answer 1

This method is designed to increase the likelihood that each baby will be a 15 girls is above 12.6 so it is significant high. It seems that method is effective.

Here we have

n=17, p=0.5

(a)

The mean is

np=17*0.5=8.5

The standard deviation is

[tex]\sigma=\sqrt{ np(1-p) } = 2.1[/tex]

(b)

Significantly low:

[tex]\mu[/tex] - 2[tex]\sigma[/tex] = 8.5 – 2* 2.1 = 4.4

Significantly high:

[tex]\mu[/tex] + 2[tex]\sigma[/tex] = 8.5+2 * 2.1 = 12.6

(c)

Since 15 girls is above 12.6 so it is significant high. It seems that method is effective.

Standard deviation is a statistical measure that describes the amount of variation or dispersion of a set of data from its mean or average value. In other words, it measures how much the data is spread out from the central tendency. It is calculated as the square root of the variance, which is the average of the squared differences between each data point and the mean.

The standard deviation is expressed in the same units as the data and is typically denoted by the symbol σ. A small standard deviation indicates that the data points are clustered around the mean, while a large standard deviation indicates that the data points are widely spread out from the mean.

To learn more about Standard deviationvisit here:

brainly.com/question/23907081

#SPJ4

Complete Question: -

Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a​ girl, but assume that the method has no​ effect, so the probability of a girl is 0.5. Assume that the groups consist of 17 couples. Complete parts​ (a) through​ (c) below.

a. Find the mean and the standard deviation for the numbers of girls in groups of 17 births.

The value of the mean is μ=_____ (Type an integer or a decimal. Do not​ round.)

The value of the standard deviation is σ=____​(Round to one decimal place as​ needed.)

b. Use the range rule of thumb to find the values separating results that are significantly low or significantly high.

Values of ___ girls or fewer are significantly low. ​(Round to one decimal place as​ needed.)

Values of ___ girls or greater are significantly high. ​(Round to one decimal place as​ needed.)

c. Is the result of 15 girls a result that is significantly​ high? What does it suggest about the effectiveness of the​ method?

The result ____ is not. is. significantly​ high, because 15 girls is greater than. less than. equal to _______ __ girls. A result of 15 girls would suggest that the method _______ is effective. is not effect.


Related Questions

Given
Δ
ΔACE with vertices A(2, 1), C(2, 4), and E(5, 1)
and
Δ
Δ BCD with vertices B(2, 3), C(2, 4), and D(3, 3)

a) Find each length in simplest form
AC =

BC =

CE =

CD =

b) < C

≅ < C because

c)
Δ
ΔACE

Δ
ΔBCD because

d) < CBD
< A

Answers

a) the lengths of each side:

AC = 3, BC = 1, CE = 3, CD = √2.

b) < C ≅ < C, corresponding angles of congruent triangles.

c) ΔACE ≅ ΔBCD by Side-Angle-Side (SAS) criterion,

d) ∠CBD  ≅  ∠A, vertical angles.

What is the similarity of a triangle?

If the two sides of a triangle are in the same proportion of the two sides of another triangle, and the angle inscribed by the two sides in both triangles are equal, then two triangles are said to be similar.

a)

AC = √[(2-2)² + (4-1)²] = √9 = 3

BC = √[(2-2)² + (4-3)²] = 1

CE = √[(5-2)² + (1-1)²] = 3

CD = √[(3-2)² + (3-4)²] = √2

b) < C ≅ < C because they are corresponding angles of congruent triangles ΔACE and ΔBCD.

c) ΔACE ≅ ΔBCD by Side-Angle-Side (SAS) criterion, since AC = BC, CE = CD and < C ≅ < C.

d) < CBD < A because the point B lies on AC, and therefore < A and < CBD are vertical angles, and by definition, vertical angles are congruent.

Hence, a) the lengths of each side:

AC = 3, BC = 1, CE = 3, CD = √2.

b) < C ≅ < C, corresponding angles of congruent triangles.

c) ΔACE ≅ ΔBCD by Side-Angle-Side (SAS) criterion,

d) ∠CBD  ≅  ∠A, vertical angles.

To learn more about the similarity of triangles visit:

https://brainly.com/question/14285697

#SPJ1

an arm wrestler is the champion for a period of 75 hours. (here, by an hour, we mean a period starting from an ex- act hour, such as 1 p. m ., until the next hour.) the arm wrestler had at least one match an hour, but no more than 125 total matches. show that there is a period of consec- utive hours during which the arm wrestler had exactly 24 matches.

Answers

In the following question, among the conditions given, There must have been at least one 24-hour period in the 75-hour period in which the arm wrestler had exactly 24 matches.

The arm wrestler had at least 75 matches and no more than 125 total matches. This means that the arm wrestler had a maximum of 50 matches in any consecutive period of 75 hours. Therefore, there must be a period of consecutive hours during which the arm wrestler had exactly 24 matches.

To show this, let us consider the following: in the 75-hour period, there must have been at least 3 periods of consecutive 24-hour periods (24 matches per period). If we subtract 3 x 24 matches from the total of 75 matches, we are left with 3 matches. Therefore, there must have been at least one 24-hour period in the 75-hour period in which the arm wrestler had exactly 24 matches.

For more such questions on arm wrestler

https://brainly.com/question/23115120

#SPJ11


Expresa en grados los siguientes radiantes:
1) π RAD=?
2) 3/2π RAD=?
3) π/6 RAD=?
4) π/18 RAD=?

Answers

π RAD = 180°
3/2π RAD = 270°
π/6 RAD = 30°
π/18 RAD = 10°

Can some one solve this and show their work plssss

Answers

Answer:

For WXYZ to be a parallelogram, both pairs of opposite sides must be parallel.

So, we have 7m + 4 = 9m and 5y + 13 - (2n - 1) = 6y - 8 - (n + 6).

Solving the first equation, we get m = 2.

Solving the second equation, we get y - n = 4.

Thus, for WXYZ to be a parallelogram, m = 2 and y - n = 4, so option B is correct.

Dakota earned ​$6.00 in interest in Account A and ​30.00$ in interest in Account B after months. If the simple interest rate is ​4% for Account A and ​5% for Account​ B, which account has the greater​ principal? Explain.

Answers

the principal in Account B is 4.8 times the principal in Account A.

How to solve?

Let the principal in Account A be P and the principal in Account B be Q. Also, let n be the number of months.

From the given information, we have:

Interest earned in Account A = $6.00

Interest rate in Account A = 4%

Number of months = n

Using the formula for simple interest, we have:

Interest earned in Account A = (P × 4%× n) / 12

Substituting the given values, we get:

6.00 = (P × 4% × n) / 12

P× n = 150

Similarly, we have:

Interest earned in Account B = $30.00

Interest rate in Account B = 5%

Number of months = n

Using the formula for simple interest, we have:

Interest earned in Account B = (Q× 5% × n) / 12

Substituting the given values, we get:

30.00 = (Q× 5% ×n) / 12

Q × n = 720

To compare the principals, we can divide the equation for Account B by the equation for Account A:

(Q × n) / (P× n) = 720 / 150

Simplifying, we get:

Q / P = 4.8

Therefore, the principal in Account B is 4.8 times the principal in Account A.

Since the interest rate in Account B is higher than the interest rate in Account A, we can conclude that the principal in Account B is greater than the principal in Account A.

To know more about Simple Interest visit:

https://brainly.com/question/25845758

#SPJ1

All 5 students in Mr. Arthur's class score 50 on a test. What is the average score on this test?

Answers

If all the 5 students in Mr. Arthur's class scores 50 on a test then the average score of the test is 50.

To find the average score on the test, we need to sum up the scores of all the students and then divide by the number of students.

In this case, all 5 students scored 50 on the test.

So the total score of all 5 students is:

Total score = 5 x 50 = 250

The average score is then calculated by dividing the total score by the number of students:

Average score = Total score / Number of students

Average score = 250 / 5

Average score = 50

Therefore, the average score on the test is 50.

To learn more about average click here

brainly.com/question/24057012

#SPJ4

Identifying and naming congruent angles 

Answers

In response to the stated question, we may state that As a result, the figure's pairs of congruent angles are: ∠BAC ≅ ∠EDF; ∠ABC ≅ ∠DEF; ∠ACB ≅ ∠DFE

What are angles?

An angle is a form in Euclidean geometry that is constructed from two rays, known as the tone's sides, that connect at a central location known as angle's vertex.

Two beams may combine to generate an inclination in the plane in which they are located. They are known as dihedral angles. In plane geometry, an angle is a potential arrangement of two rays or planes that meet a termination.

The English term “angle” derives from the Latin phrase "angulus," which means "horn." The vertex is the point at where the twin rays, also termed as the angle's sides, converge.

The congruent angles in the illustration are:

BAC and EDF are vertically opposed angles with the same measurement.

ABC and DEF are equivalent angles with the same measure.

ACB and DFE are equivalent angles with the same measure.

Therefore, the figure's pairs of congruent angles are:

∠BAC ≅ ∠EDF

∠ABC ≅ ∠DEF

∠ACB ≅ ∠DFE

Learn more about angle here:

https://brainly.com/question/28451077

#SPJ1

What is the meaning of mean, meadian and mode?
(With explanation)​

Answers

Step-by-step explanation:

The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest. The mode is the number that occurs most often in a data set.

Please mark as brainliest

Answer:

Step-by-step explanation:

Certainly! "Mean," "median," and "mode" are three different measures of central tendency used in statistics to describe a dataset. They help provide insight into the typical or central value within a set of data points.

1. **Mean:**

  - **Definition:** The mean, also known as the average, is calculated by adding up all the values in a dataset and then dividing by the total number of values.

  - **Calculation:** Mean = (Sum of all values) / (Number of values)

  - **Explanation:** The mean gives you the "typical" or "average" value in a dataset. It's the sum of all the values divided by the number of values. For example, if you have test scores of 80, 85, 90, 92, and 95, the mean score would be (80 + 85 + 90 + 92 + 95) / 5 = 88.4.

2. **Median:**

  - **Definition:** The median is the middle value in a dataset when the values are arranged in ascending or descending order. If there is an even number of values, the median is the average of the two middle values.

  - **Explanation:** The median is the middle value that separates the dataset into two equal halves. It is not influenced by extreme values (outliers) as much as the mean. For example, in the dataset 4, 7, 9, 12, 15, the median is 9 because it's the middle value.

3. **Mode:**

  - **Definition:** The mode is the value that appears most frequently in a dataset. A dataset can have one mode (unimodal), more than one mode (multimodal), or no mode if all values occur with the same frequency.

  - **Explanation:** The mode represents the most common value or values in a dataset. For example, in the dataset 2, 3, 3, 4, 4, 4, 5, the mode is 4 because it appears more frequently than any other value.

In summary, the mean is the average value, the median is the middle value, and the mode is the most frequently occurring value in a dataset. Each of these measures provides different insights into the central tendency of data and can be useful for various statistical analyses and interpretations.

Select the correct solution for the expression. 2 5 + 3 8 2 5 + 3 8 A. 2 5 + 3 8 = 5 13 2 5 + 3 8 = 5 13 B. 16 40 + 15 40 = 31 40 16 40 + 15 40 = 31 40 C. 10 40 + 24 40 = 34 40 10 40 + 24 40 = 34 40 D. 2 5 + 3 8 = 6 40

Answers

In response to the stated question, we may state that As a result, the equation proper answer is: B. 16/40 + 15/40 = 31/40

What is equation?

An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the phrase "2x + 3" equals the number "9". The purpose of equation solving is to determine the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complicated, regular or nonlinear, and include one or more elements. In the equation "x2 + 2x - 3 = 0," for example, the variable x is raised to the second power. Lines are utilised in many different areas of mathematics, such as algebra, calculus, and geometry.

We must identify a common denominator for the two fractions in order to solve the formula 2/5 + 3/8. Because 40 is the lowest common multiple of 5 and 8, we can transform both fractions to have a denominator of 40:

2/5 = 16/40

3/8 = 15/40

We can now sum the two fractions:

16/40 + 15/40 = 31/40

As a result, the proper answer is:

B. 16/40 + 15/40 = 31/40

To know more about equation visit:

https://brainly.com/question/649785

#SPJ1

Select the reason why these triangles are
similar. If they are not, select "Not similar."
A. SAS
C. Not similar
B. AA
D. SSS
109⁰
41°
30⁰
30°

Answers

The triangles are similar by the AA similarity criterion since they have two pairs of congruent angles (41° and 109°, and 30°). Therefore, the answer is B. AA.

What is triangle?

A triangle is a polygon that has three sides, three vertices, and three angles. It is the simplest polygon in Euclidean geometry and one of the most studied shapes in mathematics. The sum of the three angles in a triangle is always 180 degrees, and the length of one side of a triangle is always less than the sum of the other two sides. There are many different types of triangles, including equilateral triangles (where all sides are equal), isosceles triangles (where two sides are equal), and scalene triangles (where no sides are equal). Triangles are used in many areas of mathematics and science, including trigonometry, geometry, and physics.

Here,

To determine whether the two triangles are similar using AA similarity, we need to compare the angles of both triangles.

Triangle 1 has angles 41°, 30°, and 109°.

Triangle 2 has angles 30°, 41°, and 109°.

We see that the two triangles have two pairs of congruent angles, namely 41° and 41°, and 109° and 109°. Therefore, the two triangles are similar by the AA similarity criterion.

Note that the order of the angles does not matter when comparing triangles for similarity.

To know more about triangle,

https://brainly.com/question/13194650

#SPJ1

About 24% of flights departing from New York's John F. Kennedy International Airport were delayed in 2009. Assuming that the chance of a flight being delayed has stayed constant at 24%, we are interested in finding the probability of 10 out of the next 100 departing flights being delayed. Noting that if one flight is delayed, the next flight is more likely to be delayed, which of the following statements is correct? . (A) We can use the geometric distribution with n = 100, k = 10, and p = 0.24 to calculate this probability. (B) We can use the binomial distribution with n = 10, k = 100, and p = 0.24 to calculate this probability. (C) We cannot calculate this probability using the binomial distribution since whether or not one flight is delayed is not independent of another. (D) We can use the binomial distribution with n = 100, k = 10, and p = 0.24 to calculate this probability

Answers

The statement that is correct is (D) We can use the binomial distribution with n = 100, k = 10, and p = 0.24 to calculate this probability.

The binomial distribution can be used to calculate the probability of a certain number of successes in a given number of trials, where each trial has a fixed probability of success.

The probability of a flight being delayed is 0.24, and the probability of a flight not being delayed is 0.76. Therefore, the probability of exactly 10 flights out of 100 being delayed can be calculated using the binomial distribution with n = 100, k = 10, and p = 0.24.

Learn more about binomial distribution here: https://brainly.com/question/30049535

#SPJ11

Given (x – 7)2 = 36, select the values of x.

Answers

Answer:

25

Step-by-step explanation:

2x-14=36

2x=36+14

2x=50

x=25

Square root of За^2/10b^6

Answers

The simplified square expression for[tex]\sqrt{3a^2/10b^6}[/tex] is [tex]|3a| / (\sqrt{10} * b^{3})[/tex].

What is square root ?

In mathematics, the square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3, because 3 x 3 = 9.

The square root is denoted by the symbol √, also known as the radical symbol. For instance, the square root of 16 is written as √16 = 4.

The square root can be used to solve various types of equations, including quadratic equations and problems involving areas and volumes. It is also used in various fields such as physics, engineering, and finance.

According to the question:
To simplify the expression [tex]\sqrt{3a^{2}/10b^6}[/tex], we can first separate the numerator and denominator inside the square root:

[tex]\sqrt{3a^2/10b^6} = \sqrt{3a^2}/\sqrt{10b^6}[/tex]

Next, we can simplify the square root of the numerator:

[tex]\sqrt{3a^2} = |3a|,[/tex] where |За| represents the absolute value of За.

Finally, we can simplify the square root of the denominator by factoring out the perfect square[tex]b^2[/tex]:

[tex]\sqrt{10b^6} = \sqrt{10} * \sqrt{b^6} = \sqrt{10} * b^{3}[/tex]

Substituting these values back into the original expression, we get:

[tex]\sqrt{3a^2/10b^6} = |3a| / \(sqrt{10} * b^3[/tex]

Therefore, the simplified expression for[tex]\sqrt{3a^2/10b^6}[/tex] is [tex]|3a| / (\sqrt{10} * b^{3})[/tex].

To know more about square root visit:
https://brainly.com/question/29775049
#SPJ1

find the length of the cord pt.3

Answers

According to the circle theorem, we can find the length of the cord, x = 4 units.

Define circle theorem?

Geometrical assertions known as "circle theorems" set forward significant conclusions pertaining to circles. These theorems provide significant information regarding several aspects of a circle.

A circle's chord is a line segment that hits the circle twice on its edge, separating it into two equal pieces. The circle is divided into two equal pieces by the longest chord of the circle, which runs through its centre.

Here in the given circle,

As per the intersecting chords theorem,

AB × CB= BE × BD

⇒ 6 × 6 = 9× x

⇒ x = 36/9=4

Therefore, the length of the chord, x = 4 units.

To know more about circle theorem, visit:

https://brainly.com/question/19906313

#SPJ1

5x-2=3(x+4)
What is the value of X

Answers

Answer:

[tex]\large\boxed{\textsf{x = 7}}[/tex]

Step-by-step explanation:

[tex]\textsf{For this problem, we are asked to find the value of x.}[/tex]

[tex]\textsf{We should simply isolate the x so that it's only on one side.}[/tex]

[tex]\large\underline{\textsf{How?}}[/tex]

[tex]\textsf{Simply use the Distributive Property for the right side of the equation.}[/tex]

[tex]\textsf{Simplify the equation to where x is by itself.}[/tex]

[tex]\large\underline{\textsf{What is the Distributive Property?}}[/tex]

[tex]\textsf{The Distributive Property is a Property that allow us to distribute expressions further.}[/tex]

[tex]\textsf{Commonly, the form is a(b+c); Where b and c are multiplied by a.}[/tex]

[tex]\large\underline{\textsf{Use the Distributive Property;}}[/tex]

[tex]\mathtt{5x-2=3(x+4)}[/tex]

[tex]\mathtt{5x-2=(3 \times x)+(3 \times 4)}[/tex]

[tex]\mathtt{5x-2=3x+12}[/tex]

[tex]\large\underline{\textsf{Add 2 to Both Sides of the Equation;}}[/tex]

[tex]\mathtt{5x-2 \ \underline{+ \ 2}=3x+12 \ \underline{+ \ 2}}[/tex]

[tex]\mathtt{5x=3x+14}[/tex]

[tex]\large\underline{\textsf{Subtract 3x from Both Sides of the Equation;}}[/tex]

[tex]\mathtt{5x-3x=3x-3x+14}[/tex]

[tex]\mathtt{2x=14}[/tex]

[tex]\large\underline{\textsf{Divide the Whole Equation by 2;}}[/tex]

[tex]\mathtt{\frac{2x}{2} = \frac{14}{2} }[/tex]

[tex]\large\boxed{\textsf{x = 7}}[/tex]

Answer:

[tex] \sf \: x = 7[/tex]

Step-by-step explanation:

Now we have to,

→ Find the required value of x.

The equation is,

→ 5x - 2 = 3(x + 4)

Then the value of x will be,

→ 5x - 2 = 3(x + 4)

→ 5x - 2 = 3(x) + 3(4)

→ 5x - 2 = 3x + 12

→ 5x - 3x = 12 + 2

→ 2x = 14

→ x = 14 ÷ 2

→ [ x = 7 ]

Hence, the value of x is 7.

researchers analyzed data from more than 5000 adults and found that the more diet sodas a person drank, the greater the person's weight gain. does this mean that drinking diet soda causes weight gain?

Answers

Based on the analyzed data from more than 5,000 adults, researchers found that the more diet sodas a person drank, the greater the person's weight gain.

But it is not true that drinking diet soda causes weight gain.

The causal link between drinking diet soda and weight gain is not established. People who drink diet soda may be consuming more calories and sugars from other sources or may be leading an unhealthy lifestyle that results in weight gain.

the artificial sweeteners used in diet soda may interfere with the body's natural ability to regulate calorie intake, leading to increased cravings for high-calorie foods and, ultimately, weight gain. However, more research is needed to understand the impact of artificial sweeteners on weight gain fully.

Therefore, it can be concluded that drinking diet soda does not directly cause weight gain. Instead, a healthy lifestyle and balance between calorie intake and energy expenditure is necessary to maintain a healthy weight.

To learn more about diet soda, visit here

brainly.com/question/6076834

#SPJ11

is this relation reflexive? is this relation irreflexive? is this relation total? is this relation transitive?

Answers

The relation you have described is neither reflexive, nor irreflexive, nor total, nor transitive.

A relation cannot be both reflexive and irreflexive. Hence, these two properties are mutually exclusive. If it is reflexive, then it is not irreflexive. If it is irreflexive, then it cannot be reflexive. Nonetheless, it is possible for a relation to be neither reflexive nor irreflexive.

A reflexive relation is one in which every element is related to itself. A relation is irreflexive if no element is related to itself. A total relation is one in which every element is related to every other element. A transitive relation is one in which, if element A is related to element B and element B is related to element C, then element A is related to element C.

To learn more about relations refer :

https://brainly.com/question/13251687

#SPJ11

The stem-and-leaf plot below gives the number of minutes that customers waited for their orders at two restaurants. There were 13 wait times recorded for the first restaurant and 16 for the second. Use the plot to answer the questions.

Answers

Answer: The first restaurant had a greater median time

the range for the first restaurant is 35 minutes and the range for the second restaurant is 39 minutes

The second restaurant had more wait times from 30-39 minutes

three potential employees took an aptitude test. each person took a different version of the test. the scores are reported below. kaitlyn got a score of 74.5 ; this version has a mean of 68.5 and a standard deviation of 12 . kiersten got a score of 244.8 ; this version has a mean of 210 and a standard deviation of 29 . rebecca got a score of 7.24 ; this version has a mean of 6.7 and a standard deviation of 0.3 . if the company has only one position to fill and prefers to fill it with the applicant who performed best on the aptitude test, which of the applicants should be offered the job?

Answers

Step-by-step explanation:

kaitlyn score is   6 points above the mean

                                 z-score =  6 / 12   = .5

kiersten score is 34.8 above the mean   z-score = 34.8/29 = 1.2

rebecca score is .54 above the mean   z -score = .54/ .3 = 1.8

rebecca scored the highest percentile (highes z-score)  of the three....the best

At times, the relationship between a dependent and an independent variable is expressed as a logarithmic equation: Given a positive constant € and the two equations below, what is the relationship between X and Y? Equation 1: Log(c) = X/2 Equation 2: Log(c^2) = Y 1 . X Y Submit

Answers

The relationship between a dependent and an independent variable expressed as a logarithmic equation is as follows X = Y/2

At times, the relationship between a dependent and an independent variable is expressed as a logarithmic equation. For this question, given a positive constant € and the two equations below, we can find the relationship between X and Y. Equation 1: Log(c) = X/2 Equation 2: Log(c^2) = Y.We can use the basic properties of logarithms to solve this problem. To do so, we need to understand what logarithms are first.Logarithms are the opposite of exponentials. They allow us to find the exponent needed to produce a given value. For instance, log base 2 of 8 is 3 since 2^3 = 8.

A logarithm is represented as log_bx where b is the base and x is the argument or the number being passed to the logarithm.In equation 1, we are given that log(c) = x/2. To isolate x, we need to exponentiate both sides with base e.e^(log(c)) = e^(x/2)This gives us c = e^(x/2).We can rewrite this expression as c^2 = e^x. Now we use equation 2 which states that log(c^2) = y. This is equivalent to 2log(c) = y.Using equation 1, we can substitute log(c) for x/2.2log(c) = y2(x/2) = yx = y/2So the relationship between X and Y is X = Y/2. Therefore, we can conclude that the relationship between a dependent and an independent variable expressed as a logarithmic equation is as follows: X = Y/2.

To know more about logarithms click here

brainly.com/question/16594382

#SPJ11

B = 75*
C = 50*
A = ?*

Answers

Answer: A = 55* or 55 degrees

Step-by-step explanation:

The interior angles of a triangle always have a sum of 180 degrees.

75 + 50 + x = 180

Solve for x

FInal answer: 55 degrees

hope i explained it :)

find the ratio of 15 min and 1 hour​

Answers

Answer:

1 : 4 minutes.

Step-by-step explanation:

Given: 15 minutes / 1 hour.

First convert 1 hour to minutes:

1 hour = 60 minutes

Then write the fraction:

15 : 60

Finally, simplify it:

1 : 4 minutes

Halla los números desconocidos de estas operaciones
A)872+. +173=2000
B)9180:. =102
C). -99=706
Con los mismos números y las mismas operaciones podemos obtener diferentes resultados,coloca los paréntesis de manera que se obtengan los resultados indicados. A)3+5x7-2=40
B)3+5×7-2=54
C)3+5×7-2=28
ES PARA HOY PORFAVOR☹,PUEDEN HACER EN UNA HOJA O ESCRIBIR ASI PERO EXPLIQUEN BIEN!!!!!!AYUDA SI NO SABEN NO RESPONDAD

Answers

In equation A the missing number is 955, In equation B the missing number is 90 and In equation C the missing number is 805.

A) To find the missing number in the equation 872 + ? + 173 = 2000, we need to subtract 872 and 173 from 2000, which gives us:

2000 - 872 - 173 = 955

Therefore, the missing number is 955.

B) To find the missing number in the equation 9180 ÷ ? = 102, we need to divide 9180 by 102, which gives us:

9180 ÷ 102 = 90

Therefore, the missing number is 90.

C) To find the missing number in the equation ? - 99 = 706, we need to add 99 to 706, which gives us:

706 + 99 = 805

Therefore, the missing number is 805.

To obtain the indicated results with the same numbers and operations, we need to use parentheses to change the order of operations.

A) 3 + (5x7) - 2 = 40

B) (3 + 5) × 7 - 2 = 54

C) 3 + (5 × (7-2)) = 28

Equations are used extensively in various fields of science, engineering, economics, and finance, to name a few. It is formed by placing an equal sign between the two expressions. Equations are used to solve problems and find unknown values.

An equation can contain variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. The variables in an equation represent unknown values that need to be found, while the constants are known values that are already given. Solving an equation involves manipulating the expressions on both sides of the equal sign using mathematical operations to isolate the variable on one side and constants on the other. The final solution obtained is the value of the variable that satisfies the equation..

To learn more about Equation visit here:

brainly.com/question/29538993

#SPJ4

Complete Question: -

Find unknown numbers of these operations

A ) 872 +. + 173 = 2000

B ) 9180:. = 102

C ). -99 = 706

With the same numbers and the same operations we can obtain different results, place the parentheses so that the indicated results are obtained.

A ) 3 + 5 x 7-2 = 40

B ) 3 + 5 × 7-2 = 54

C ) 3 + 5 × 7-2 = 28

IT'S FOR TODAY PLEASE ☹, CAN DO IN A LEAF OR WRITE ASI BUT EXPLAIN WELL!!!!!!HELP IF THEY DON'T KNOW NO RESPOND

find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid(x^2/4) + (y^2/64) + (z^2/49) = 1Hint: By symmetry, you can restrict your attention to the first octant (where x,y,z=0), and assume your volume has the form V=8xyz. Then arguing by symmetry, you need only look for points which achieve the maximum which lie in the first octant.What is the maximum volume?

Answers

The volume of the rectangular box is given by using the Lagrangian multiplier theorem is 172.435 cubic units.

It states that any local maxima or any local minima of the function are calculated under the equality constraints.

The equation of ellipsoid is given as,

[tex]\frac{x^2}{4} +\frac{y^2}{64} +\frac{z^2}{49} =1[/tex]

Let the edges of the required rectangular box be x, y, and z.

Then, the volume of the box in the first quadrant is V = xyz

Then we have,

[tex]\phi(x,y,z) = \frac{x^2}{4} +\frac{y^2}{64} +\frac{z^2}{49} -1[/tex]  

By the Lagrange multiplier,

[tex](V_x,V_y,V_z) = \lambda (\phi_x, \phi_y,\phi_z)\\\\(yz,xz,xy)=\lambda(\frac{2x}{4},\frac{2y}{64},\frac{2z}{49} )\\\\xyz = \lambda\frac{x^2}{2},xyz =\lambda\frac{y^2}{32} ,xyz=\lambda\frac{2z^2}{49} \\\\x^2 = 2k, y^2=32k,z^2=49k/2[/tex]

Solving for k we have the value of k as k = 2/3.

Put k=2/3 in equation 2, we have

x² = 2*2/3 , y² = 32*2/3, z² = 49/2*2/3

x =±2/√3 , y= ±8/√3 , z = ±7/√3

Then the volume of the rectangular box will be

Volume  = [tex]\frac{2}{\sqrt{3} } \frac{8}{\sqrt{3} } \frac{7}{\sqrt{3} }[/tex]

Volume  = 172.435 cubic units.

Therefore, the value of  volume of the rectangular box is  172.435 cubic units.

Learn more about Lagrangian multiplier theorem:

https://brainly.com/question/14004288

#SPJ4

need help finding the letter u

Answers

In the given diagram, ΔHIJ ≈ ΔFIG, the value of u in triangle FIG is calculated as: IG = 8 yd

What is a triangle?

A triangle is a geometric shape that is formed by three line segments that intersect at three non-collinear points. The three line segments are called the sides of the triangle, while the three points where they intersect are called the vertices of the triangle.

A triangle is a three-sided polygon formed by three line segments intersecting at three non-collinear points, and it can be classified based on the length of its sides and the measure of its angles.

∆HIJ similar to ∆FIG

HI/FI = IJ/IG

5/10 = 4/IG

IG = 8 yd

To know more about triangle, visit:

https://brainly.in/question/17424774

#SPJ1

In the given diagram, ΔHIJ ≈ ΔFIG, the value of u in triangle FIG is calculated as: IG = 8 yd

What is a triangle?

A triangle is a geometric shape that is formed by three line segments that intersect at three non-collinear points. The three line segments are called the sides of the triangle, while the three points where they intersect are called the vertices of the triangle.

A triangle is a three-sided polygon formed by three line segments intersecting at three non-collinear points, and it can be classified based on the length of its sides and the measure of its angles.

∆HIJ similar to ∆FIG
HI/FI = IJ/IG
5/10 = 4/IG
IG = 8 yd

To know more about triangle, visit:
https://brainly.com/question/28470545
#SPJ1

I am in need of some help with this​

Answers

The required volume of the shape is [tex]\frac{850\pi}{3}$[/tex] cubic units.

What is volume?

A measurement of three-dimensional space is volume. It is frequently expressed mathematically using SI-derived units, as well as different imperial or US-standard units. Volume and the definition of length are linked.

First, let's find the volume of the cylinder:

[tex]$$V_{cylinder} = \pi r^2 h = \pi (5)^2 (8) = 200\pi$$[/tex]

Next, let's find the volume of the hemisphere:

[tex]$V_{hemisphere} = \frac{2}{3}\pi r^3 = \frac{2}{3}\pi (5)^3 = \frac{250\pi}{3}$$[/tex]

To find the volume of the entire shape, we simply add the volume of the cylinder and hemisphere:

[tex]$$V_{shape} = V_{cylinder} + V_{hemisphere} = 200\pi + \frac{250\pi}{3} = \frac{850\pi}{3}$$[/tex]

Therefore, the volume of the shape is [tex]\frac{850\pi}{3}$[/tex] cubic units.

To know more about Volume visit:

brainly.com/question/12237641

#SPJ1

Ñamandu es un genio dibujó un cuadrado de x cm cada lado en la parte superior del cuadrado partió en tres partes iguales quedando el corte expresado de esta manera x bajo 3 unió el primer punto de corte con el vértice del lado paralelo trazando un segmento a lo que llamó y Descubre que figuras se forman y entra el perímetro de cada figura formado

Answers

The figures created are a square and a right triangle, and the perimeter of the entire figure is (13x/3) + x × sqrt(10).

When Namandu divides the top side of the square into three equal parts, he creates two segments of length x/3 each. By connecting the first point of division with the vertex of the parallel side, he creates a right triangle with legs of length x/3 and x, and hypotenuse of length y.

Using the Pythagorean theorem, we can solve for y:

y^2 = (x/3)^2 + x^2

y^2 = x^2/9 + x^2

y^2 = (10x^2)/9

y = x×sqrt(10)/3

Now we can find the perimeter of each figure that is created

Perimeter of the original square = 4x

Perimeter of the right triangle = x + x/3 + y = x + x/3 + xsqrt(10)/3

Perimeter of the entire figure = 4x + x + x/3 + xsqrt(10)/3 = (13x/3) + x×sqrt(10)

Learn more about Pythagorean theorem here

brainly.com/question/14930619

#SPJ4

suppose a population grows according to a logistic model with initial population 200 and carrying capacity 2,000. if the population grows to 500 after one year, what will the population be after another three years?

Answers

Suppose a population grows according to a logistic model with initial population 200 and carrying capacity 2,000. If the population grows to 500 after one year, the population will be 852.78 after another three years.

What is the logistic model?

A logistic model, also known as the Verhulst-Pearl model, is a type of function used to describe population growth that is limited. It’s a form of exponential growth that takes into account the carrying capacity of an environment.

Population growth that is limited and slows down as the population approaches its carrying capacity is modeled using the logistic model. It is given by this equation:

[tex]P(t) = K / (1 + Ae^{-rt})[/tex]

where P(t) is the population at time t, K is the carrying capacity, A is the constant of proportionality, and r is the growth rate.

Suppose a population grows according to a logistic model with initial population 200 and carrying capacity 2,000. If the population grows to 500 after one year, substitute this information into the logistic model: [tex]P(1) = 500[/tex], [tex]K = 2000[/tex], and [tex]P(0) = 200[/tex].

[tex]500 = 2000 / (1 + Ae^{-r(1)})[/tex]

Now, solve for A by dividing both sides by 2000 / (1 + A):

[tex]1 + A = 4A = 3[/tex]

Substitute the value of A back into the logistic model equation:

[tex]P(t) = 2000 / (1 + 3e^{-rt})[/tex]

Solve for r by using the data provided in the problem for the first year (t = 1) and second year (t = 4):

[tex]P(1) = 500 = 2000 / (1 + 3e^{-r(1)})[/tex]

[tex]P(4) = ? = 2000 / (1 + 3e^{-r(4)})[/tex]

Solve the first equation for r:

[tex]500 = 2000 / (1 + 3e^{-r})\\1 + 3e^{-r} = 4e^{-r}\\1 + 3e^r = 4e[/tex]

Solve for e using the quadratic formula to get:

e = 0.4274 and e = 1.1713

Let e = 0.4274:

[tex]1 + 3e^{-r} = 4e^{-r}\\1 + 3(0.4274)^{-r} = 4(0.4274)^{r}\\1 + 0.5746^r = 1.7166^r[/tex]

Take the natural logarithm of both sides:

[tex]ln(1 + 0.5746^r) = ln(1.7166^r) - lnr\\ln(1 + 0.5746^r) = rln(1.7166) - lnr[/tex]

Use a graphing calculator to solve for r:

[tex]ln(1 + 0.5746^r) = rln(1.7166) - lnr[/tex];  -0.1568 < r < 0.7534

Solve for r using the second year’s data:

[tex]2000 / (1 + 3e^{-r(4)}) = P(4)\\2000 / (1 + 3(0.4274)^{-r(4)}) = P(4)\\P(4) = 852.78[/tex]

Thus, the population will be 852.78 after another three years.

Learn more about logistic model here:

https://brainly.com/question/30995760

#SPJ11

William writes a function f(x) = 2x - 10. He uses an
input-output table to represent the function.
Input: 4
Output: -8

What is the output of William's function when the
input is 4?

Answers

Answer: -8

Step-by-step explanation:

When the input is 4, according to the input-output table, the output is -8.

Plugging 4 into the function f(x) = 2x - 10 directly also gives the same result:

f(4) = 2(4) - 10 = 8 - 10 = -2

So the output of William's function when the input is 4 is -8.

Find the missing angle. Round your
answer to the nearest tenth.

11 mi
5 mi

Answers

Answer:

24.4 degrees

Step-by-step explanation:

This is a right triangle so you can use trig to solve. If you take the arctan of 5/11 you get 24.4(rounded to the nearest tenth)

Other Questions
Calculate Delta H r* n for Ca(s) + 1/2 * O_{2}(g) + C*O_{2}(g) -> CaC*O_{3}(s) List--from the beginning to the end--the order of steps required to find the bottleneck and flow rates in a process with multiple flows.-Calculate and evaluate the implied utilization for each resource.-Determine the capacity for each type of flow.-Evaluate the demand table.-Determine the capacity for each resource. 3Find the gradient of the curve x + 3xy-y = 1 at the point with coordinates (1, 3). A 0.598 g sample of a green metal carbonate, containing unknown metal M, was heated to give the metal oxide and 0.222 g of CO2 (g) according to the reaction below. MCO3(s) + MO(s) + CO2(g) What is the metal M? Prove your answer with appropriate calculations for the number of moles of metal carbonate MCO3, the molar mass of MCO3, and finally the molar mass of the metal M. Which of the following statements are true?(Choose all correct answers)Methods cannot be written with parameters.Parameter values can never be used within the method code block.Methods can be written with any number of parameters.Methods can never be written with more than four parameters.Parameter values can be used within the method code block aaron has lost control of his finances and has been getting calls from debt collectors. his first step should be to a chord 7cm long is drawn in a circle of radius 3.7cm. calculate the distance of the chord from the centre of the circle True or False: A type IIB motor unit could contain both Fast Oxidative and Fast Glycolytic muscle fibers, but not Slow Oxidative muscle fibers. The function f represents the 1000 revenue in dollars the school can 800 expect to receive if it sells 220 12x coffee mugs for x dollars 600 each. 400 200 Here is the graph of . 2 4 6 8 10 12 14 16 18 20 price (dollars) Select all the statements that describe this situation. a. At $2 per coffee mug, the revenue will be $96. b. The school expects to sell 160 mugs if the price is $5 each. c. The school will lose money if it sells the mugs for more than $10 each. d. The school will earn about $1000 if it sells the mugs for $10 each. e. The revenue will be more than $70o if the price is between $4 and $14. f. The expected revenue will increase if the price per mug is greater than $10. g. The domain for this situation is about 0 - 9. h. The domain for this situation is about 0 - 18.25. revenue (dollars) 6. Choose the option that best explains and corrects the faulty parallelism in the following sentence: The play was lively, entertaining, and ended quickly.Faulty parallelism occurs when the subject is modified by adjectives and a verb/adverb combination instead of all adjectives. Correction: The play was lively, entertaining, and shortThere is no faulty parallelism in the sentence; therefore, it does not require a correction.Faulty parallelism occurs when the modifiers appear after the subject. Correction: Lively and entertaining, the play ended quickly.Faulty parallelism occurs when the subject is modified more than once. Correction: The play was lively. I Put 69 Points Into This Question.Read this excerpt from "Tools of the Spymaster."Both the British and the Americans frequently used horseback riders to carry messages, and both sides tried to capture the riders and get the messages. The rider who lost one of Washington's important messages was Tallmadge himself. It happened when Tallmadge and some of his men were attacked by British troops near the ConnecticutNew York border. Tallmadge escaped unharmed but lost a saddlebag full of secret papers.Luckily, Tallmadge's code did not fall into British hands. But among the papers was a letter from Washington in which he carelessly gave the name and address of an agent, George Higday, saying that he was a man who would probably "convey intelligence to me." Higday was arrested, but he had managed to destroy all evidence of spying. That move probably saved him from hanging.Which statement best describes the central idea of this excerpt?A. Spies were often careless with secret information.B. Washington did not appreciate the importance of secrecy.C. Spying was a dangerous but important war strategy.D. Spies needed to protect themselves in the event they got caught. which slideshow tool is used to automatically apply changes to all of the slides in a presentation? What is the minimum voltage needed to generate muscle contraction? 11)A) stimulus voltageB) contraction voltageC) recruitment voltage D) threshold voltage classify each event either as shifting the aggregate demand curve or as causing movement along the curve.People notice prices going up and their purchasing wer going down as a result As inflation drops to nearly zero, people save more and therefore more loanable funds are available State governments cut their budgets for infrastructure maintenance. Technological advances generate wealth in a broad range of industries. how does absorbance relate to concentration in solutions? what sparked the beginning of the genocide in rwanda? QRT=(3x+5)TRS=(10x-7)Find the measure of each angle. It is a best practice to use explicit import to properly which Java API class is being used in your program. to avoid 4 errors because of possible for classes with the name. to assist in looking for one specific file versus A for all A during compilation. to avoid A performance issues with A field and method processing when using JSP (JavaServer Pages) to create web pages with dynamic content. v runtime same compilation matches document static name collisions searching A column is fabricated by connecting the rolled-steel members shown by bolts of 3/4-in. diameter spaced longitudinally every 5 in. Determine the average shearing stress in the bolts caused by a shearing force of 30 kips parallel to the y axis. what are deep valleys that are formed when the earths crust separates and breaks apart?