Tyler has entered a buffet line in which he chooses one kind of meat, two different vegetables and one dessert. If the order of food items is not important, how many different meals might he choose? Meat: beef, chicken, pork Vegetables: baked beans, corn, potatoes, tomatoes Dessert: brownies, chocolate cake, chocolate pudding, ice creama.4 b.24 c.72 d.80 e.144

Answers

Answer 1

The correct answer is option b.24.

The given options are Meat: beef, chicken, pork vegetables: baked beans, corn, potatoes, tomatoesDessert: brownies, chocolate cake, chocolate pudding, ice creamThe order of food items is not important, so we need to find the number of combinations we can form by selecting one type of meat, two types of vegetables, and one dessert from the given options.

In selecting the meat, we have three choices, i.e. beef, chicken, and pork. We need to choose one of these three types. So, the number of ways to choose meat is 3. In selecting the vegetables, we have four choices, i.e. baked beans, corn, potatoes, and tomatoes. We need to choose two of these four types.

So, the number of ways to choose two vegetables is,4C2 = 6 (We can select any two vegetables out of four, and the order of vegetables does not matter)In selecting the dessert, we have four choices, i.e. brownies, chocolate cake, chocolate pudding, ice cream. We need to choose one of these four types. So, the number of ways to choose the dessert is 4. So, by the rule of multiplication, we can select a meal in 3 × 6 × 4= 72ways.

However, as the order of food items is not important, we need to divide the total number of combinations by the number of ways to arrange the selected items, i.e. 2! (since we have selected two types of vegetables), and 1! (for meat and dessert). So, the total number of possible meals that Tyler can choose is,72/2! = 36/2 = 18 meals (arranging 2 items from 4),18 × 4! = 18 × 24 = 432 total possible arrangements.

Hence the answer is option b.24.

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Related Questions

An article reports that in a sample of 123 hip surgeries of a certain type, the average surgery time was 136.9 minutes with a standard deviation of 24.1 minutes.
find
A. The 95% confidence interval is (,)
B.The 99.5% confidence interval is(,)
C. A surgeon claims that the mean surgery time is between 133.71 and 140.09 minutes. With what level of confidence can this statement be made? Express the answer as a percent and round to two decimal places.
D. Approximately how many surgeries must be sampled so that a 95% confidence interval will specify the mean to within ±3 minutes? Round up the answer to the nearest integer.
F.Approximately how many surgeries must be sampled so that a 99% confidence interval will specify the mean to within ±3 minutes? Round up the answer to the nearest integer.

Answers

The minimum sample size required to get a 99% confidence interval that will specify the mean to within ±3 minutes is 597 (Rounded up to the nearest integer).

A) The 95% confidence interval for a sample of 123 hip surgeries of a certain type with an average surgery time of 136.9 minutes and a standard deviation of 24.1 minutes is (130.82, 142.98).Explanation:Given,Sample size, n = 123Average surgery time, μ = 136.9 minutesStandard deviation, σ = 24.1 minutesWe know that for a sample of size n, the 95% confidence interval is given by,  (Formula1)Where, z is the z-score, α/2 = 0.05/2 = 0.025  is the level of significance and n - 1 = 122 degrees of freedom.Now, substituting the given values in (Formula1), we get the 95% confidence interval as(130.82, 142.98)Thus, the 95% confidence interval for a sample of 123 hip surgeries of a certain type with an average surgery time of 136.9 minutes and a standard deviation of 24.1 minutes is (130.82, 142.98).B) The 99.5% confidence interval for a sample of 123 hip surgeries of a certain type with an average surgery time of 136.9 minutes and a standard deviation of 24.1 minutes is (127.93, 145.87).Explanation:We know that for a sample of size n, the 99.5% confidence interval is given by, (Formula2)Where, z is the z-score, α/2 = 0.005/2 = 0.0025 is the level of significance and n - 1 = 122 degrees of freedom.Now, substituting the given values in (Formula2), we get the 99.5% confidence interval as (127.93, 145.87).Thus, the 99.5% confidence interval for a sample of 123 hip surgeries of a certain type with an average surgery time of 136.9 minutes and a standard deviation of 24.1 minutes is (127.93, 145.87).C) The surgeon's claim that the mean surgery time is between 133.71 and 140.09 minutes is equivalent to the confidence interval (133.71, 140.09). The surgeon's claim falls inside the 95% confidence interval, (130.82, 142.98), therefore we can say that the surgeon's claim can be made with 95% confidence.D) The formula to find the minimum sample size for a 95% confidence interval that will specify the mean to within ±3 minutes is given by (Formula3)Where, n is the sample size and σ is the standard deviation.Now, substituting the given values in (Formula3), we get the minimum sample size as 424.15.The minimum sample size required to get a 95% confidence interval that will specify the mean to within ±3 minutes is 425 (Rounded up to the nearest integer).F) The formula to find the minimum sample size for a 99% confidence interval that will specify the mean to within ±3 minutes is given by (Formula4)Where, n is the sample size and σ is the standard deviation.Now, substituting the given values in (Formula4), we get the minimum sample size as 596.73.The minimum sample size required to get a 99% confidence interval that will specify the mean to within ±3 minutes is 597 (Rounded up to the nearest integer).

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A small publishing company is releasing a new book. The production costs will include a one-time fixed cost for editing and an additional cost for each book
printed. The total production cost C (in dollars) is given by the function C = 750+ 16.95N, where N is the number of books.
The total revenue earned (in dollars) from selling the books is given by the function R = 33.70N.
Let P be the profit made (in dollars). Wnite an equation relating P to N. Simplify your answer as much as possible.
P =

Answers

Answer:

The profit made is given by the difference between the total revenue and the total production cost:

P = R - C

Substituting the given expressions for R and C, we get:

P = 33.70N - (750 + 16.95N)

Simplifying:

P = 16.75N - 750

Therefore, the equation relating P to N is P = 16.75N - 750

in a box there are yellow pens and green pens. pens are randomly selected, one at a time, until a yellow one is obtained. assume that each selected pen is replaced before the next one is drawn. what is the probability that you need to pick up a pen at least 3 times?

Answers

Suppose that we randomly choose pens from a box that contains yellow and green pens until a yellow pen is obtained. Assume that each selected pen is replaced before the next one is drawn. In order to find the probability of picking up a pen at least three times, we need to use the probability formula.

For this problem, the probability of choosing a yellow pen on the first draw is P(Y) = number of yellow pens / total number of pens = y / (y+g), where y is the number of yellow pens and g is the number of green pens. The probability of not choosing a yellow pen on the first draw is P(NY) = g / (y+g).After selecting a pen, if it is not yellow, we need to select a pen again. The probability of selecting a pen that is not yellow on the second draw is the same as the probability of not selecting a yellow pen on the first draw, that is[tex]P(NY) = g / (y+g).[/tex]

Therefore,

the probability of choosing a yellow pen on the second draw is P(Y and NY) = [tex]P(Y) × P(NY) = y × g / (y+g)²[/tex].The probability of not choosing a yellow pen on the first two draws is P(NYY) = P(NY) × P(NY) = g² / (y+g)².To calculate the probability of choosing a yellow pen on the third draw, we need to consider two cases: the pen selected on the first two draws is green, and the pen selected on the first two draws is not green.

Case 1: The pen selected on the first two draws is green. The probability of selecting a yellow pen on the third draw is P(Y and NY and G) =[tex]P(Y) × P(NY) × P(G) = y × g × (y+g) / (y+g)³.[/tex]

Case 2: The pen selected on the first two draws is not green. The probability of selecting a yellow pen on the third draw is P(Y and NY and NY) = P(Y) × P(NY) × P(NY) = y × g² / (y+g)³.Therefore, the probability of picking up a pen at least three times is P(at least 3) = P(NYY) + P(Y and NY and G) + P(Y and NY and NY) = g² / (y+g)² + y × g × (y+g) / (y+g)³ + y × g² / (y+g)³ = g² / (y+g)² + 2y × g / (y+g)³.

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An aquarium can be modeled as a right rectangular prism. Its dimensions are 19 in by 15 in by 12 in. How many cubic inches of water are in it when it is full? Round your answer to the nearest tenth if necessary.

Answers

Answer:

The volume of the aquarium can be found by multiplying its length, width, and height:

Volume = length x width x height

Volume = 19 in x 15 in x 12 in

Volume = 3,420 cubic inches

Therefore, when the aquarium is full, it can hold 3,420 cubic inches of water.

Step-by-step explanation:

GUYS GUYS I NEED YOUR HELP!!!!

Answers

Answer:

[tex] \dashrightarrow - 4 {x}^{ - 2} y( {2yx}^{3} + {6xy}^{3} - {3y}^{3} {x}^{4} ) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \dashrightarrow \{- 8 {x}^{( - 2 + 3)} {y}^{(1 + 1)} \} + \{ - 24 {x}^{ (- 2 + 1)} {y}^{(3 + 1)} \\ + \{12 {x}^{( - 2 + 4)} {y}^{(1 + 3)} \} \\ \\ \dashrightarrow{ \boxed{ \tt{ - 8x {y}^{2} - 24 {x}^{ - 1} {y}^{4} + 12 {x}^{2} {y}^{4} }}} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]

please ive been on this question for a week

Answers

The times by 43 which equals 67
X=67cm

Write each polynomial in Standard form and name it based on its degree an number of terms.
9x²-213
Standard --
Degree
Terms

Answers

We would name this polynomial as a quadratic polynomial with two terms.

In standard mathematics, what is a polynomial function?

A polynomial function is one that involves only non-negative integer powers or positive integer exponents of a variable in an equation such as the quadratic equation, cubic equation, and so on.

In the standard form of a polynomial, the terms are written in descending order of degree. The standard form for a polynomial of degree n is:

a1x + a0 + anxn + an-1xn-1 +...

We have the polynomial in this case:

9x² - 213

To write it in standard form, rearrange the terms in descending order of degree as follows:

213 + 9x²

As a result, the standard form of the polynomial is:

9x² - 213

This polynomial has degree 2 (because x's highest exponent is 2) and two terms (since there are two distinct parts to the expression, a constant and a term with an x squared coefficient).

As a result, we'd call this polynomial a quadratic polynomial with two terms.

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I NEED HELP ON THIS ASAP!! IT's DUE TODAY, I'LL GIVE BRAINLIEST!

Answers

Answer:

Let's start by defining our variables:

Let x be the number of mahogany boards sold.Let y be the number of black walnut boards sold.

Now, let's write the system of inequalities to represent the constraints:

The company has 260 boards of mahogany, so x ≤ 260.

The company has 320 boards of black walnut, so y ≤ 320.

The company expects to sell at most 380 boards, so x + y ≤ 380.

We cannot sell a negative number of boards, so x ≥ 0 and y ≥ 0.

Graphically, these constraints represent a feasible region in the first quadrant of the xy-plane bounded by the lines x = 260, y = 320, and x + y = 380, as well as the x and y axes.

To maximize profit, we need to write a function that represents the objective. The profit for selling one board of mahogany is $20, and the profit for selling one board of black walnut is $6. Therefore, the total profit P can be calculated as:

P = 20x + 6y

To maximize P, we need to find the values of x and y that satisfy the constraints and make P as large as possible. This is an optimization problem that can be solved using linear programming techniques.

The solution to this problem can be found by graphing the feasible region and identifying the corner point that maximizes the objective function P. However, since we cannot draw a graph here, we will use a table of values to find the maximum profit.

Let's consider the corner points of the feasible region:

Corner point (0, 0):

P = 20(0) + 6(0) = 0

Corner point (260, 0):

P = 20(260) + 6(0) = 5200

Corner point (0, 320):

P = 20(0) + 6(320) = 1920

Corner point (100, 280):

P = 20(100) + 6(280) = 3160

Corner point (200, 180):

P = 20(200) + 6(180) = 5520

Corner point (380, 0):

P = 20(380) + 6(0) = 7600

The maximum profit is $7600, which occurs when the company sells 380 boards of wood, all of which are mahogany.

Write in the standard form of a conic if possible, and identify the conic section represented by r = 6/(cos x + 3sin x)

Answers

The standard form of a conic section represented by r = 6/(cos x + 3sin x) is  r^2 = 6(x + 3y) and the represented equation is a line.

The equation r = 6/(cos x + 3sin x) is in polar form, where r represents the distance from the origin to a point (x, y) in the plane, and x is the angle that the line connecting the origin to (x, y) makes with the positive x-axis. To determine the standard form of the conic represented by this equation, we need to convert it to Cartesian coordinates.

Using the trigonometric identity cos x = x/r and sin x = y/r, we can rewrite the equation as:

r = 6/(x/r + 3y/r)

Multiplying both sides by r, we get:

r^2 = 6(x + 3y)

This is the standard form of a conic section in Cartesian coordinates, namely an equation of a line. Therefore, the conic represented by the equation r = 6/(cos x + 3sin x) is a line in the Cartesian coordinate system.

In summary, to determine the standard form of a conic represented by an equation given in polar form, we can use trigonometric identities to rewrite it in Cartesian coordinates.

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how to find angle DCE in the triangle

Answers

Answer:

36

Step-by-step explanation:

9x-31+7x-2+4x+33=360

x=18

7(18)-2

124

180-124=36

Use the formula pH=log(1/[H^+]) to write an expression for the concentration of hydrogen ions in a liter of a sports drink that has a pH of 2. 4. What is the concentration of hydrogen ions?

Answers

The concentration of hydrogen ions in a liter of the sports drink is approximately 3.98 x 10^(-3) moles per liter.

The pH of a substance is a measure of its acidity or basicity and is defined as the negative logarithm (base 10) of the hydrogen ion concentration [H+]. The formula for pH is given as pH = -log[H+].

To find the concentration of hydrogen ions in a liter of a sports drink that has a pH of 2.4, we can use the formula pH = -log[H+]. Rearranging this formula, we get [H+] = 10^(-pH).

Substituting the given value of pH into this expression, we get [H+] = 10^(-2.4).

It's worth noting that the hydrogen ion concentration is related to the acidity of a solution; the higher the hydrogen ion concentration, the more acidic the solution. The pH scale ranges from 0 (most acidic) to 14 (most basic), with a pH of 7 being neutral. The sports drink in question has a relatively low pH, indicating that it is quite acidic.

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Will give brainly award
Using the other endpoint of the diameter, and the center of the circle write an equation of the circle

Answers

Answer:

Step-by-step explanation:

C(1,2), radius=6

Equation using  [tex](x-h)^2+(y-k)^2=r^2[/tex]:

   [tex](x-1)^2+(y-2)^2=36[/tex]

What is 0.83333333333 as a fraction?

Answers

Answer: 41666666669 / 50000000003

Step-by-step explanation:

A cone-shaped paper drinking cup is to be made to hold 33 cm^3 of water. Find the height and radius of the cup that will use the smallest amount of paper. (Round your answers to two decimal places.)
h =
r =

Answers

The height and radius of the cone that will use the smallest amount of paper are h ≈ 2.45 cm and r ≈ 1.22 cm, respectively.

The minimum paper will be used when the surface area of the cone is minimized. Let the height and radius of the cone be h and r, respectively. Then, using the formula for the volume of a cone, we have:

V = (1/3)πr^2h = 33 cm^3

Solving for h, we get:

h = 99/(πr^2)

Next, we need to express the surface area of the cone in terms of r. The surface area is given by:

A = πr√(r^2 + h^2)

Substituting the expression for h obtained above, we have:

A = πr√(r^2 + (99/πr^2)^2)

To find the value of r that minimizes A, we take the derivative of A with respect to r and set it equal to zero:

dA/dr = π(2r√(r^2 + (99/πr^2)^2) + (r^2 + (99/πr^2)^2)^(-1/2)(2r(99/πr^3)))

Setting dA/dr = 0 and solving for r, we get:

r = (33/(2π))^(1/4) ≈ 1.22 cm

Substituting this value of r back into the equation for h, we obtain:

h ≈ 2.45 cm

Therefore, the height and radius of the cone that will use the smallest amount of paper are h ≈ 2.45 cm and r ≈ 1.22 cm, respectively.

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1. The relationship between the amount of time a car is parked, in hours, and the cost

of parking, in dollars, can be described with a function.

a. Identify the independent variable and the dependent variable in this function.

b. Describe the function with a sentence of the form "

is a function of

Answers

a. The independent variable is the amount of time a car is parked, measured in hours. The dependent variable is the cost of parking, measured in dollars.

b. The function describes the relationship between the amount of time a car is parked and the cost of parking. It can be written as Cost of parking = f(Time parked)

a) The independent variable in this function is the amount of time a car is parked, measured in hours. The dependent variable is the cost of parking, measured in dollars.

b) The function describes the cost of parking as a function of the amount of time a car is parked, where the independent variable is the amount of time in hours, and the dependent variable is the cost in dollars. For example, the function could be written as "Cost of parking = f(Time parked)" or "C = f(T)" where C is the cost and T is the time parked. The specific function would depend on the details of the parking fee structure.

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The population of Toledo, Ohio, in 2000 was approximately 500,000. Assume the population is increasing at a rate of 5% per year. a. Write the exponential function that relates the total population as a function of t. b. Use a. to determine the rate at which the population is increasing in t years. c. Use b. to determine the rate at which the population is increasing in 10 years.

Answers

The population of Toledo, Ohio is increasing at a rate of approximately 32,263 people per year after 10 years.

What is exponential function?

An exponential function is a mathematical function of the form f(x) = a^x, where "a" is a positive constant called the base, and "x" is a variable that can take on any real value. The base "a" is typically greater than 1, which means the function grows at an increasing rate as "x" increases.

According to question:

a. The exponential function that relates the total population as a function of t is given by:

P(t) = P₀ × (1 + r)ᵗ

where P₀ is the initial population, r is the annual growth rate (as a decimal), and t is the time in years.

Using the given values, we have:

P₀ = 500,000 (given)

r = 0.05 (5% expressed as a decimal)

Thus, the exponential function is:

P(t) = 500,000 × (1 + 0.05)ᵗ

b. The rate at which the population is increasing in t years is given by the derivative of the population function with respect to time:

dP/dt = P₀ × r × (1 + r)ᵗ

Substituting the given values, we get:

dP/dt = 500,000 × 0.05 × (1 + 0.05)ᵗ

c. To determine the rate at which the population is increasing in 10 years, we simply substitute t = 10 into the expression we derived in part b:

dP/dt = 500,000 × 0.05 × (1 + 0.05)¹⁰

Using a calculator, we get:

dP/dt ≈ 32,263

Therefore, the population of Toledo, Ohio is increasing at a rate of approximately 32,263 people per year after 10 years.

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Hi help me with this question please : year 7 question

Solve for X

30=5(X+5)

X=?

Answers

The solution for X is 5. An equation is a mathematical statement that shows the equality of two expressions.

It typically consists of variables, numbers, and mathematical operations such as addition, subtraction, multiplication, and division.

To solve for X, we first need to distribute the 5 to the expression in parentheses:

30 = 5X + 25

Then, we can isolate the variable term by subtracting 25 from both sides:

5 = 5X

Finally, we can solve for X by dividing both sides by 5:

X = 5

Therefore, the solution for X is 5.

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At an assembly there are 225 chairs in 15 rows how many chairs are there Perot

Answers

An assembly has 225 chairs in 15 rows and there are 15 chairs per row in the assembly.

To find the number of chairs per row in an assembly, we need to divide the total number of chairs by the number of rows.

Given that there are 225 chairs in 15 rows, we can find the number of chairs per row by dividing the total number of chairs by the number of rows:

225 chairs ÷ 15 rows = 15 chairs per rows

It's important to note that this assumes that each row has the same number of chairs. If the number of chairs per row varies, then the calculation would need to be adjusted accordingly.

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how many four digit positive integers x are there with the property that x and 3x have only even digits?

Answers

16 four digit positive integers x are there with the property that x and 3x have only even digits.

There are 16 such four-digit positive integers x.

At first we have to find the four-digit positive integers x with the property that both x and 3x have only even digits, we need to consider the possible digits that x can have.

Since both x and 3x must have only even digits, the digits of x can only be 0, 2, 4, 6, or 8.

Let, the possible cases for the first digit of x:

If the first digit of x is 0:

In this case, x would be a three-digit number (e.g., 012, 024, 036, etc.). Now, if we multiply any three-digit number by 3, the resulting number will always have at least one odd digit.

we get, this case does not satisfy the condition.

If the first digit of x is 2 or 8:

In this case, the last digit of 3x will be 6 or 4, respectively. But since 6 is not an even digit and 4 is not a valid digit for x, this case is not possible either.

If the first digit of x is 4 or 6:

In this case, the last digit of 3x will be 2 or 8, respectively.

These are valid digits for x.

Now, we need to make sure that the second digit of x and 3x are also even.

The only even digits that can be used as the second digit are 0 and 8 (because 2 and 6 are already used as the first digit).

So, there are two possible cases for the first digit of x: 4 or 6.

Now, we have two choices for the second digit of x (0 or 8).

For each of these combinations, we have two choices for the third digit of x (0 or 8).

Finally, we have two choices for the fourth digit of x (0 or 8).

So, we get the total number of four-digit positive integers x with the property that both x and 3x have only even digits is:

Number of choices = 2 (choices for the first digit) * 2 (choices for the second digit) * 2 (choices for the third digit) * 2 (choices for the fourth digit) = 2⁴ = 16.

Therefore, there are 16 such four-digit positive integers x.

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A rectangle has a length of (x+4)cm and a width of (3x-1)cm. It’s perimeter is 78cm
Calculate the value of x

Answers

Answer:

X≈ 2,37 cm

x= (-11+√637)/6 cm

Step-by-step explanation:

Calculate (3.7 x 10¹⁴) + (9 × 10¹²) Give your answer in standard index form.​

Answers

Answer:3.79*10^14

Step-by-step explanation:

370000000000000+9000000000000=379000000000000

=3.79 x 10^14

Answer:

(3.79×10^14)

Step-by-step explanation:

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what is the phase angle, , in degrees if the expression is since angles are not unique, they can differ by multiples of 360, select the answer to be in the range of -180 to 180 degrees.

Answers

The phase angle, in degrees is -135.

A wave that repeats as a function of time and position is referred to as a periodic wave. Amplitude, frequency, wavelength, speed, and energy describe the properties of the wave. The phase angle is used to describe the characteristics of a periodic wave.

In phasors, a wave exhibits twofold characteristics: Magnitude and Phase. The phase angle refers to the angular component of a periodic wave.

The Phase Angle is one of the crucial characteristics of a periodic wave. It is similar to the phrase in many properties. The angular component periodic wave is known as the Phase Angle. It is a complex quantity measured by angular units like radians or degrees. A representation of any pure periodic wave is as follows.

A∠θ, where A is the magnitude and θ represents the Phase Angle of the wave.

A is the magnitude

θ is the phase angle

The expression is, which can be reduced to. Since angles are not unique, they can differ by multiples of 360, the answer is -135 degrees, which is in the range of -180 to 180 degrees.

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A dolphin was swimming 6 feet below sea level. The number line shows the
location of the dolphin. It then swam down 3 feet. Describe how to use the
number line to find the new location of the dolphin.
-10-9-8-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10
OA. On the number line, move 3 units to the left. End at -9. The dolphin
was 9 feet below sea levelsm
OB. On the number line, move 3 units to the right. End at 9. The dolphin
was 9 feet above sea level.
OC. On the number line, move 3 units to the left. End at 3. The dolphin
was 3 feet above sea level.
OD. On the number line, move 3 units to the right. End at -3. The
dolphin was 3 feet below sea level.

Answers

On the number line, move 3 units to the left. End at -9. The dolphin was 9 feet below sea level.

What is location?

Location refers to the specific position or coordinates of an object or point in space or time. It can refer to the physical location of an object or place on Earth, such as a building or city, or the position of an astronomical object in the universe.

In a mathematical context, location is often expressed as a set of coordinates or points in a coordinate system.

Location is an important concept in various fields, including geography, cartography, astronomy, and mathematics, and is often used to describe and locate objects, places, or events in a precise and accurate manner.

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The hypotenuse of a right triangle measures 15 cm and one of its legs measures 14 cm. Find the measure of the other leg. If necessary, round to the nearest tenth

Answers

Answer:

The other leg is 5.4 cm

Step-by-step explanation:

Pre-Solving

We are given that in a triangle, the hypotenuse is 15cm, and one of the legs is 14cm.

We want to find the length of the other leg.

Solving

The Pythagorean Theorem states that a² + b² = c², where a and b are the legs and c is the hypotenuse.

We can substitute what we know into the theorem.

14² + b² = 15²

196 + b² = 225

Subtract.

b² = 29

Take the square root of b to get:

b = √29 cm

√29 ≈ 5.4 cm

a survey of athletes at a high school is conducted, and the following facts are discovered: 24% of the athletes are football players, 48% are basketball players, and 9% of the athletes play both football and basketball. an athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player?

Answers

The probability that the athlete is either a football player or a basketball player is 63%.

24% of the athletes are football players, 48% are basketball players, 9% of the athletes play both football and basketball.

We will use the formula of the addition rule of probability.

P(F) = Probability that the athlete is a football player = 24/100

P(B) = Probability that the athlete is a basketball player = 48/100

P(F and B) = Probability that the athlete plays both football and basketball = 9/100

Now, we will use the addition rule of probability.

P (F or B) = P (F) + P (B) - P (F and B)

P (F or B) = 24/100 + 48/100 - 9/100 = 63/100

Therefore, the probability that the athlete is either a football player or a basketball player is 63%.

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In a regular pentagon PQRST. PR intersects QS
at O. Calculate angle ROS.

Answers

Answer: 72°

Step-by-step explanation:

To find the interior angle of this shape, use the formula 180(n-2)/n, where n is the amount of sides. Plugging 5 in for the interior angle of a pentagon, you get 180(3)/5, or 108°.

Using the statement that PR intersects QS, we can see that triangle QOR is isosceles (to get this, look at triangle PQR, and note that because it has 2 equal side lengths, and its last length is not equivalent to the other 2 sides, it is isosceles). Solving for angle PRQ, we know one angle is 108°, and the other two are equal. The total angle in a triangle is 180°, so (180°-108°)/2 = 36° (angles QPR and PRQ).

Since the angle of R = 108°, we can find angle PRS as 108° - 36°, or 72°. Since triangles PQR and QRS are similar (share the same angles and side lengths), we can see that angle RQS and RSQ are both 36°.

Since ORS is a triangle, its angle total is 180°. Since we know the angles ORS and OSR (respectively) already as 72° and 36°, we can subtract these angles to find angle ROS. 180°-72°-36° = 72°

Use the graph of f(x)=−8x-2x^2 to answer the question.
Is f(x) increasing, decreasing, or constant for -2

Answers

At x = -2, which is the vertex of the quadratic function, the function f(x) is constant.

How to classify a function as increasing, decreasing or constant?

To classify the graph of a function as increasing, decreasing, or constant, you need to examine the direction in which the graph is moving.

A function is considered increasing if its graph moves up and to the right as you follow it from left to right. In other words, if the y-values of the function increase as the x-values increase, then the function is increasing.A function is considered decreasing if its graph moves down and to the right as you follow it from left to right. In other words, if the y-values of the function decrease as the x-values increase, then the function is decreasing.A function is considered constant if its graph remains at the same level and does not move up or down as you follow it from left to right. In other words, if the y-values of the function do not change as the x-values increase, then the function is constant.

x = -2 is the vertex of the quadratic function, which is the turning point of the function, where it changes from increasing to decreasing, hence the function is considered to be constant at x = -2, as it has a derivative of zero at x = -2.

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What is the perimeter of parallelogram ABCD, and what is AC? Please help!

Answers

The perimeter of the parallelogram is 68 and the length of AC is 15.

Calculating the perimeter of a Parallelogram

From the question, we are to calculate the perimeter of the parallelogram and the length of AC

First,

Let half the length of AC be x

Then,

From the Pythagorean theorem, we can write that

17² = x² + 8²

289 = x² + 64

x² = 289 - 64

x² = 225

x = √225

x = 15

Recall,

x = 1/2 AC

Therefore,

AC = 2x

AC = 2(15)

AC = 30

To calculate the perimeter, we will determine the length of BC

|BC|² = x² + 8²

|BC|² = 225 + 64

|BC|² = 289

|BC| = √289

|BC| = 17

Perimeter of the parallelogram = 17 + 17 + 17 + 17

Perimeter of the parallelogram = 68

Hence, the perimeter is 68

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Algebra question help asap

Answers

If the value of the Bulls Eye stock has fallen 8% annually since 2010, it will be worth $32.90 in 2015.

What is the mathematical formula for profit?

The formula Profit = Selling Price - Cost Price can be used to determine the profit when the selling price and the cost price of a product are known. The formula for calculating profit percentage is then applied, which is profit percentage = (profit/cost price) x 100.

If the value of the Bulls Eye stock has dropped by 8% annually, it has dropped to 92% (100% - 8%) of its value from the prior year.

Since we're moving from 2010 to 2015, we must multiply this loss five times to determine the stock's value in 2015:

Value in 2011 = 92% of $50 = $46

Value in 2012 = 92% of $46 = $42.32

Value in 2013 = 92% of $42.32 = $38.89

Value in 2014 = 92% of $38.89 = $35.77

Value in 2015 = 92% of $35.77 = $32.90

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Two lines are plotted on the same coordinate plane. The first line passes through the points (-5, -5) and (-3, -3). The second line passes through the points (3, 1) and (4, 2). The two lines are best described as:


A. intersecting, not perpendicular
B. intersecting and perpendicular
C. parallel
D. no relationship

Answers

The slopes of the two line are equal. Hence, the two lines are parallel.

What is slope of a line?

A line's slope is a gauge of the line's steepness. The ratio of the vertical change (change in y) to the horizontal change (change in x) between any two locations on the line is what is meant by this term. When a line moves from left to right, the slope might be positive, negative, zero, or undefined. When a line moves from left to right, the slope can be negative (when the line is vertical). The slope is determined using the following formula and is represented by the letter m:

m = (y2 - y1) / (x2 - x1)

where (x1, y1) and (x2, y2) are any two points on the line.

Given that, the first line passes through the points (-5, -5) and (-3, -3).

The slope is given by:

slope = (change in y) / (change in x)

slope = (-3 - (-5)) / (-3 - (-5)) = 1

The second line passes through the points (3, 1) and (4, 2).

slope = (2 - 1) / (4 - 3) = 1

The slopes of the two line are equal. Hence, the two lines are parallel.

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