Answer:
$500.000 × 0.08 = $40,000
$40,000/12 = $3.333.33
Step-by-step explanation:
El interés simple mensual se puede calcular como una fracción del interés anual. Para calcular el interés simple mensual, primero debemos calcular el interés anual y luego dividirlo entre 12 para obtener el interés mensual.
El interés anual se puede calcular multiplicando el capital por la tasa de interés:
$500,000 × 0.08 = $40,000
Luego, para obtener el interés simple mensual, dividimos el interés anual por 12:
$40,000 / 12 = $3,333.33
Por lo tanto, un capital de $500,000 al 8% de interés simple generará $3,333.33 de interés simple mensual.
I need the answer to this math problem
20pts!!
Answer:
9
Step-by-step explanation:
9 makes it so that each set becomes a whole number.
The standard deviation of a sample was reported to be 4. The report indicated
that Σ ( x – average) ^2 = 544. What is the sample size?
Answer:
35
Step-by-step explanation:
The formula for the variance of a sample is:
Variance = Σ (x - average)^2 / (n - 1)
Where n is the sample size and x is each data point.
We are given the variance as 544 and the standard deviation as 4, and we know that:
Standard deviation = sqrt(Variance)
So,
Variance = Standard deviation^2
Variance = 4^2
Variance = 16
Now we have the variance and can find the sample size:
544 = 16 * (n - 1)
n - 1 = 544 / 16
n - 1 = 34
The sample size is n = 35.
The volume of a rectangular prism is (x³ − 3x² + 5x − 3), and the area of its base is (x² – 2). If the volume of a rectangular prism is the product of its base area and height, what is the height of the prism?
Answer: (x^3 - 3x^2 + 5x - 3)/(x^2 - 2)
Step-by-step explanation:
It says the volume equals the height multiplied by the base area, or base area x height = volume. Because we are given the volume and the base area, we can plug in the values to get (x^2 - 2) x height = (x^3 - 3x^2 + 5x - 3). Finally, we can divide both sides by (x^2 - 2) to get height = (x^3 - 3x^2 + 5x - 3)/(x^2 - 2).
M is directly proportional to r²
When r = 2, M = 14
a) Work out the value of M when r = 12.
b) Work out the value of r when M = 224.
The value of M when r = 12 and the value of r when M = 224 are 504 and 8 respectively.
What is the value of M when r = 12 and the value of r when M = 224?Direct proportionality is expressed as;
M ∝ r²
Hence; M = kr²
Where k is the proportionality constant.
Given that;
r = 2M = 14k = ?First, we determine the proportionality constant.
M = kr²
k = M/r²
Plug in r = 2 and M = 14
k = 14 / (2)²
k = 14/4
k = 7/2
Now, a) the value of M when r = 12 will b;
M = kr²
M = (7/2) × ( 12 )²
M = (7/2) × 144
M = 504
Next, b) the value of r when M = 224
M = kr²
r = √(M/k)
r = √( 224 ÷ 7/2 )
r = 8
Therefore, the values of M and r are 504 and 8 respectively.
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Sorina has a mental age of 10 and an IQ of 125 as measured by the Stanford-Binet. Sorina's chronological age is
A) 6.
B) 8.
C) 9.
D) 10.
E) 12.5.
Sorina's chronological age is 8.
What is Intelligence Quotient?
The Intelligence Quotient (IQ) is an intelligence test that measures the intellectual abilities that a person has, that is to say, that it measures intelligence. To obtain a person's IQ, we divide the mental age by the chronological age and multiply the result by 100.
In this case, we have the IQ score, which is 125, and the mental age, which is 10, so we have to clear C (chronological age) to find the chronological age.
(mental age)/( chronological age) X 100 = IQ .
(10/C) X100 =125
10 X100 =125 X C
1000 = 125C
1000125 = C
8=C
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Sorina's chronological age is 8.
What is Intelligence Quotient?
The Intelligence Quotient (IQ) is an intelligence test that measures the intellectual abilities that a person has, that is to say, that it measures intelligence. To obtain a person's IQ, we divide the mental age by the chronological age and multiply the result by 100.
In this case, we have the IQ score, which is 125, and the mental age, which is 10, so we have to clear C (chronological age) to find the chronological age.
(mental age)/( chronological age) X 100 = IQ .
(10/C) X100 =125
10 X100 =125 X C
1000 = 125C
1000125 = C
8=C
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Standard deviation is ________. a mean of squared differences the square root of the variance unit-free the covariance
Standard deviation is the square root of the variance. A mean of squared differences the square root of the variance unit-free the covariance.
What is standard deviation?The standard deviation is a measure of variance from the mean that includes spread, dispersion, and spread. The standard deviation displays a "typical" deviation from the mean. It is a well-liked measure of variability because it retains the original units of measurement from the data set. There is a small variation when data points are near the mean, and a large variation when they are far from the mean. The values' distance from the mean is determined by the standard deviation. The most common method of measuring dispersion is standard deviation, which is based on all values.
Hence, standard deviation is the square root of the variance.
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what is the quotient?
Answer:
you are right
Step-by-step explanation:
Suppose That \( R \) Is The Finite Region Bounded By \( Y=X, Y=X+1, X=0 \), And \( X=3 \). find the exact value of the volume of the object we obtain when rotating about the -axis.
Step-by-step explanation:
Find Object Volume Rotation
Suppose That \( R \) Is The Finite Region Bounded By \( Y=X, Y=X+1, X=0 \), And \( X=3 \). find the exact value of the volume of the object we obtain when rotating about the -axis.
The region R is a triangular region defined by the lines y = x, y = x + 1, x = 0, and x = 3. To find the volume of the object obtained by rotating this region about the x-axis, we can use the method of cylindrical shells.
The height of the cylindrical shell is given by the difference between y = x and y = x + 1, or 1 unit. The radius of the cylindrical shell is given by x. Therefore, the volume of the object is given by:
\begin{align*}
V &= \int_{x=0}^{x=3} \pi x^2 \cdot 1, dx \
&= \pi \int_{x=0}^{x=3} x^2, dx \
&= \pi \left[ \frac{x^3}{3} \right]_{x=0}^{x=3} \
&= \pi \left( \frac{27}{3} - \frac{0}{3} \right) \
&= 9\pi
\end{align*}
So the volume of the object is equal to 9π cubic units.
3
Select the correct answer.
Which expression is a prime polynomial?
A. X^3 - 1
B.X^2 + 1
C.X^3 + 1
D.X^2 - 1
Answer: The correct answer is D, X^2 - 1.
A prime polynomial is a polynomial that has no real or complex roots (i.e., no solutions), except for 0. X^2 - 1 has two roots, -1 and 1, both of which are not 0. Hence, it is a prime polynomial.
Step-by-step explanation:
simplify fully
(x^2 +4)^2 - (x^2 - 2)^2
Answer:
12x^2 + 12
Step-by-step explanation:
1. Remove the parentheses:
x^4 + 8x^2 + 16 - x^4 + 4x^2 - 4
2. Cancel out terms:
8x^2 + 16 + 4x^2 - 4
3. Combine like terms:
12x^2 + 12
Mallory's Border Collie had 13 puppies in 2 litters. Determine the rate for a ratio of the two different quantities.
2 over 13 puppies per litter
13 over 15 puppies per litter
2 over 1 puppies per litter
13 over 2 puppies per litter
The rate for a ratio of the two different quantities would be 13 over 2 puppies per litter. That is option D.
How to calculate the rate of the puppies per litter?The total number of puppies that Mallory's Border Collie has = 13 puppies.
The number of litters that the puppies are being placed = 2 litters.
Therefore, the rate of puppies per litter is calculated as follows:
13 puppies = 2 litters
X puppies = 1 litter
Make X the subject of formula;
X = 13×1/2
X= 13/2 puppies per litter
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Answer:Alex has a collection of vehicle models. He built 8 model airplanes, 4 model trains, and 12 model cars. Write a ratio to represent the ratio of cars to trains.
Step-by-step explanation:3/1 ur welcome
Answer this arithmetic progression question and get 50 points + brainliest
Answer:
The 9th term is 30
---------------------------------
Use nth term equation:
[tex]a_n=a+(n-1)d[/tex], where a- the first term, n - number of terms, d - common differenceWe have:
[tex]a_7=21\ and\ a_{11}=39[/tex]And we need to find the 9th term.
Write the given terms as below and solve for d:
a + 6d = 21 anda + 10d = 39Subtract the first equation from the second:
10d - 6d = 39 - 214d = 18d = 18/4d = 4.5The first term is:
a + 10*4.5 = 39a + 45 = 39a = - 6Find 9th term:
[tex]a_9=a+8d=-6+8*4.5=-6+36=30[/tex]Answer:
The 9th term is 30
Step-by-step explanation:
Find three consecutive integers such that the sum of the first and twice the second is 56 minus three times the third.The smallest integer is __The middle integer is __The largest integer is __
The smallest integer is 10, the middle integer is 11, and the largest integer is 12.
What is the consecutive integers in algebra?
In algebra, consecutive integers are a sequence of numbers that follow each other in order, where each number is one more than the previous number.
Let's call the smallest integer "x". Then, the middle integer is "x + 1" and the largest integer is "x + 2".
Now, using the given information, we can set up an equation:
x + 2(x + 1) = 56 - 3(x + 2)
Expanding the equation and simplifying:
3x + 2 = 56 - 3x - 6
6x = 62
x = 10
So, the three consecutive integers are 10, 11, and 12.
Hence, The smallest integer is 10, the middle integer is 11, and the largest integer is 12.
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Halla el denominador que falta
2 10
_ = _
7 ?
Answer: Para encontrar el denominador que falta, podemos utilizar una regla de tres simple. En este caso, queremos encontrar el valor de la segunda fracción, por lo que podemos escribir:
2/7 = 10/x
Para despejar x, podemos multiplicar ambos lados de la ecuación por x y luego dividir por 2:
2/7 * x = 10
x = 10 * 7 / 2
x = 35
Por lo tanto, el denominador que falta en la segunda fracción es 35. La fracción completa es:
2/7 = 10/35
List the sides in order from shortest to longest. The diagram is not to scale.
Answer:
C
Step-by-step explanation:
The shorter the angle, the shorter the side that lies across from it
In angle order it's 33, 71, 76
The lines across in that order are LK, LJ, JK
Betty is listening to a playlist of 16 songs. She randomly shuffles the tracks on the playlist after each song. What is the probability to the nearest tenth of a percent that the same song is played twice in a row?
Answer: 6.3%
Step-by-step explanation:
The probability that the same song is played twice = Number of favourite outcomes / Total outcomes.
= 1 / 6
= 0.0625
in per cent = 6.25%
Probability to the nearest tenth of % = 6.3%
.: Probability - Probability is a number that reflects the chance or likelihood that a particular event will occur.
Probability can be expressed as proportional that ranging from 0 to 1.
They can also be expressed as percentages ranging from 0% to 100%.
Find the values of x and y
Answer:
x = 22
y = 59
Step-by-step explanation:
You want the values of x and y as shown in the figure where angles (2x)° and (y-15)° are vertical angles, and (2x)° and (2x+2)° are complementary.
Complementary anglesTwo angles are complementary when their sum is 90°.
(2x)° +(2x+2)° = 90°
4x = 88 . . . . . . . . . . . divide by °, subtract 2
x = 22
Vertical anglesVertical angles have the same measure:
(2x)° = (y -15)°
2·22 = y -15 . . . . . . divide by °, substitute for x
59 = y . . . . . . . . . add 15
The value of x is 22.
The value of y is 59.
here is an equation x+4 = 17
The tape diagram is attached in the solution.
What is tape diagram?A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios and addition, subtraction, and commonly multiplication.
Given is an equation x+4 = 17,
We need to draw a tape diagram for the same,
So, for that, since we have x + 4 which is equal to 17, so, we will draw a box, divide into two parts one will show the x part and ine will show the 4 part, and collectively it will show 17.
The value of the x+4 and 17 is the same, because, according to the diagram, the quantity x+4 collectively showing 17, therefore, they have same values.
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GIVING BRAILIEST TO THOSE WHO ANSWER CORRECT AND TRY. please help! thanks
Answer:
the answer is A
Step-by-step explanation:
use the formula y=mx+b
25.95 is the slope because its a constant arte of change and 50 is the y-intercept because you gain $50 in addition to the slope
Answer:
y=25.95x+50
Step-by-step explanation:
25.95 is the dependent variable, so it is the coefficient. The starting amount, or the y-intercept, is 50. This makes the equation y=25.95x+50.
Find the least common multiple of (x-3)^2, x^2-9, and (x+3)^3
Answer:
[tex]\textsf{LCM}=(x+3)^3(x-3)^2[/tex]
Step-by-step explanation:
[tex]\boxed{\begin{minipage}{6cm}\underline{Difference of Two Squares Formula}\\\\$a^2-b^2=\left(a+b\right)\left(a-b\right)$\\ \end{minipage}}[/tex]
Factor x² - 9 by applying the Difference of Two Squares formula:
[tex]\begin{aligned}\implies x^2-9&=x^2-3^2\\&=(x+3)(x-3)\end{aligned}[/tex]
Rewrite each of the given expressions as an expansion of their factors:
[tex]\bullet \quad (x-3)^2=(x-3)(x-3)[/tex]
[tex]\bullet \quad x^2-9=(x+3)(x-3)[/tex]
[tex]\bullet \quad (x+3)^3=(x+3)(x+3)(x+3)[/tex]
Therefore, we can see that each expression has a factor of (x - 3), (x + 3) or both (x - 3) and (x + 3).
The least common multiple (LCM) of a, b, and c is the smallest multiplier that is divisible by a, b and c.
Therefore, to find the LCM of the given expressions, multiply each factor with the highest power:
[tex]\textsf{LCM}=(x+3)^3(x-3)^2[/tex]find the lengths of the legs of a right triangle if it is known that sum of the lengths is 23cm, and the area of the triangle is 60cm^2
Answer:
15 and 8
Step-by-step explanation:
Let the legs be a, b
a+b=23
ab=120
Then, 23b-b^2=120. so b^2-23b+120=0. Thus (b-8)(b-15)=0. Thus b=8,15, and if b=8, then the other length a is 15.
If the length and width of a rectangular solid are increased by 20% and the height is increased by 25%, by what percent is the volume of the solid increased?
(A) 21.67%
(B) 65%
(C) 80%
(D) 180%
Suppose that the force acting on an object can be expressed by vector (-8,14), where each
measure in the ordered pair represents the force in pounds. What is the magnitude of the force? Round
your answer to the nearest hundredth.
Answer:
Magnitude of force is [tex]||v||\approx16.12\text{ lbs}[/tex]
Step-by-step explanation:
[tex]||v||=\sqrt{x^2+y^2}\\||v||=\sqrt{(-8)^2+(14)^2}\\||v||=\sqrt{64+196}\\||v||=\sqrt{260}\\||v||\approx16.12\text{ lbs}[/tex]
finding slope from 2 points color by number (1,-1) and (5,-2)
The required slope of the line is -1/4 which passes through points (1,-1) and (5,-2).
What is the slope of the line?The slope of the line is defined as the angle of the line. It is denoted by m
Slope m = (y₂ - y₁)/(x₂ -x₁ )
Consider two points on a line—Point 1 and Point 2. Point 1 has coordinates (x₁,y₁) and Point 2 has coordinates (x₂, y₂)
Given,
Let
x₁ = 1 , y₁ = -1
x₂ = 5, y₂ = -2
∵ Slope m = (y₂ - y₁)/(x₂ -x₁ )
Substitute values in the formula, and we get
m = (-2 - (-1))/(5 - 1)
m = (-2 + 1)/(4)
m = -1/4
Thus, the required slope of the line is -1/4.
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According to the Environmental Protection Agency (EPA), the 2018 Toyota Camry L drives an average of 420.5 miles on a full tank of gas. Assume the mileage follows a normal distribution with a standard deviation of 50 miles. Answer the following questions:
17.) Determine the number of miles that the car will travel with 90%, 30%, and 50% probability on a full tank of gas.
18.) Determine the UPPER AND LOWER value(s) for the interval of miles traveled on a full tank of gas around the mean that includes approximately 68% of miles for this car.
19.) Determine the UPPER AND LOWER value(s) for the interval of miles traveled on a full tank of gas around the mean that includes approximately 95% of miles for this car.
20.) Determine the UPPER AND LOWER value(s) for the interval of miles traveled on a full tank of gas around the mean that includes approximately 99.7% of miles for this car.
17) The number of miles that the car will travel with 90%, 30%, and 50% probability on a full tank of gas is:
90% probability: 420.5 + (1.645 x 50) = 545.25 miles
30% probability: 420.5 - (1.645 x 50) = 295.75 miles
50% probability: 420.5 miles
18) The upper and lower values for the interval of miles traveled on a full tank of gas around the mean that includes approximately 68% of miles for this car is:
Upper value: 420.5 + (1 x 50) = 470.5 miles
Lower value: 420.5 - (1 x 50) = 370.5 miles
19) The upper and lower values for the interval of miles traveled on a full tank of gas around the mean that includes approximately 95% of miles for this car is:
Upper value: 420.5 + (2 x 50) = 520.5 miles
Lower value: 420.5 - (2 x 50) = 320.5 miles
20) The upper and lower values for the interval of miles traveled on a full tank of gas around the mean that includes approximately 99.7% of miles for this car is:
Upper value: 420.5 + (3 x 50) = 570.5 miles
Lower value: 420.5 - (3 x 50) = 270.5 miles
The term "standard deviation" (or "") refers to a measurement of the data's dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.
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Factor the following expression completely. 12xy-15x-20y+25
The required, given expression is completely factored as (4y -5)(3x - 5).
What is the factors?A number or algebraic expression that evenly divides another number or expression—i.e., leaves no remainder—is referred to as a factor.
To factor the expression 12xy - 15x - 20y + 25, we can use the distributive property to factor out a common factor from each of the first two terms and the last two terms:
12xy - 15x - 20y + 25
= (12x)(y) - (15x)(1) - (20)(y) + (5)(5)
= (3x)(4y) - (5)(3x) - (4)(5y) + (5)(5)
= 3x(4y - 5) - 5(4y - 5)
= (4y -5)(3x - 5)
So, the expression is completely factored as, (4y -5)(3x - 5).
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who’s wrong? And why
Step-by-step explanation:
Ted is correct
When you multiply exponents, they actually add.
Note**
[tex]4x = {4x}^{1} [/tex]
Looking at pearl, when she did
[tex] {2x}^{2} \times 4 {x}^{1} [/tex]
It should have equaled
[tex]8 {x}^{3} [/tex]
Pearl's did not, but Ted's did
determine whether the statement below is true or false. justify the answer. The equation Ax b is referred to as a vector equation. Choose the correct answer below.
A. True. The equation Ax= b is referred to as a vector equation because it consists of scalars multiplied by vectors B. True. The equation Ax= b is referred to as a vector equation because A is constructed from column vectors ° C. False. The equation Ax= b is referred to as a linear equation because b is a linear combination of vectors. D. False. The equation Ax = b is referred to as a matrix equation because A is a matrix.
The correct answer to the statement is A. True. The equation Ax= b is referred to as a vector equation because it consists of scalars multiplied by vectors.
The matrix A multiplies the input vector x, which results in the output vector b.
In other words, each element of the output vector is a scalar multiple of the corresponding element of the input vector.
Thus, the equation represents a vector equation, which describes the relationship between two vectors.
he equation Ax= b is a fundamental concept in linear algebra and is widely used in various mathematical and scientific fields.
It represents the relationship between a linear transformation represented by the matrix A, the input vector x, and the output vector b.
In this equation, the matrix A acts as a set of coefficients that scale the elements of x to produce the elements of b.
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A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 40 thousand miles and a standard deviation of 12 thousand miles. Complete parts (a) through (c) below.
Question content area bottom Part 1
a. What proportion of trucks can be expected to travel between 23 and 40 thousand miles in a year? The proportion of trucks that can be expected to travel between 23 and 40 thousand miles in a year is enter your response here. (Round to four decimal places as needed.)
b. What percentage of trucks can be expected to travel either less than 30 or more than 60 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 30 or more than 60 thousand miles in a year is enter your response here%. (Round to two decimal places as needed.)
c. How many miles will be traveled by at least 90% of the trucks?
The number of miles that will be traveled by at least 90% of the trucks is enter your response here miles. (Round to the nearest mile as needed.)
Therefore, standard deviation problem solution is at least 90% of the trucks can be expected to travel 55,36 miles or less per year.
What is Standard deviation?Statistics uses variance as a gauge of difference. The following equation of that number is used to determine the average variance in between data and the mean. It includes all data points in with its computations, in contrast to other numeric measures of variability, by comparing the value of each data point to the mean.
Here,
a.
z1 = (23 - 40) / 12 = -1.42
z2 = (40 - 40) / 12 = 0
P(-1.42 < z < 0) = 0.4199
So, approximately 0.4199 or 41.99% of trucks can be expected to travel between 23 and 40 thousand miles in a year.
b.
z1 = (30 - 40) / 12 = -0.83
z2 = (60 - 40) / 12 = 1.67
P(z < -0.83) + P(z > 1.67) = 0.2023 + 0.0475 = 0.2498
So, approximately 24.98% of trucks can be expected to travel either less than 30 or more than 60 thousand miles in a year.
c. Thus:
x = 40 + 1.28(12) = 55.36
So, standard deviation problem solution is at least 90% of the trucks can be expected to travel 55,36 miles or less per year.
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What’s The Answer To This Question
Answer:2 one
Step-by-step explanation: