Will mark brainliest.

ANOVA is used when you have quantitative DV and IV with 3 or more levels, which means the correct answer is option A. True.


The One Way Repeated Measures ANOVA is a statistical test used to analyze the effects of an independent variable (IV) that has three or more levels on a dependent variable (DV) that is measured repeatedly on the same subjects over time. This test is appropriate when the IV is within-subjects in nature, meaning that each participant is exposed to all levels of the IV. Therefore, the statement is true as it accurately describes the use of this statistical test in relation to the IV and DV.
A. True

The One-Way Repeated Measures ANOVA is indeed used when you have a quantitative Dependent Variable (DV) and an Independent Variable (IV) with three or more levels that is within subjects in nature. In this case, the same subjects are exposed to different conditions or levels of the IV, allowing for the analysis of differences in the DV across those conditions.

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The answer of the question based on the Integral is , the value of the double integral is 51.75.

The double integral can be computed as follows;

Given that A = ₀∫³₁∫³ (x² + 3xy) dx dy

We first integrate the first term with respect to x to obtain;

[x³/3 + (3/2)x²y] from x = 0 to x = 3

This gives;

[3³/3 + (3/2)(3²)y] - [0³/3 + (3/2)(0²)y]

= 9 + (27/2)y... equation (1)

Now we can substitute this result into the second term of the double integral to obtain the following single integral;

∫₃₁ 9 + (27/2)y dy

Now we can evaluate the integral as follows;

[9y + (27/2)(y²/2)] from y = 1 to y = 3

This gives;

[9(3) + (27/2)(9/2)] - [9(1) + (27/2)(1/2)]

= 51.75

Therefore, the value of the double integral is 51.75.

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The value of the double integral A = ∫₀³ ∫₁³ (x² + 3xy) dx dy is 0.

To compute the double integral of A = ∫₀³ ∫₁³ (x² + 3xy) dx dy, we need to evaluate the integral with respect to x first, and then with respect to y.

Let's start by integrating with respect to x:

∫ (x² + 3xy) dx = (x³/3 + 3x²y/2) + C₁,

where C₁ is the constant of integration.

Now, we can integrate this result with respect to y:

∫₁³ [(x³/3 + 3x²y/2) + C₁] dy

= [(x³/3 + 3x²y/2)y + C₁y] ∣₁³

= [(x³/3 + 3x²y/2)y + C₁y] ∣₁³

= [(x³/3 + 9x²/2) + C₁(3) - (x³/3 + 3x²/2) - C₁(1)]

= [(8x²/3) - (2x³/3)] ∣₁³

= [(8(9)/3) - (2(27)/3)] - [(8(1)/3) - (2(1)/3)]

= [24 - 18] - [8 - 2]

= 6 - 6

= 0.

Therefore, the value of the double integral A = ∫₀³ ∫₁³ (x² + 3xy) dx dy is 0.

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The volume of the cone is one-third the volume of the pyramid, the area of the circle is pi/4 the area of the square because the radius of the circle is half the side length of the square.

The volume of the cone is one-third the volume of the pyramid because the cone's base is a sector of the square, and the sector takes up one-third of the square's area.

Volume of a cone: The volume of a cone is equal to (1/3)πr²h, where r is the radius of the base and h is the height of the cone.

Volume of a pyramid: The volume of a pyramid is equal to (1/3)Bh, where B is the area of the base and h is the height of the pyramid.

In the problem, we are told that the area of the circle is pi/4 the area of the square. This means that the radius of the circle is half the side length of the square. We can use this information to find the volume of the cone and the pyramid.

Volume of the cone: The radius of the cone is half the side length of the square, so r = s/2. The height of the cone is h. The area of the base of the cone is (pi)(r²) = (pi)(s²/4). So, the volume of the cone is (1/3)π(s²/4)h = (1/12)πs²h.

Volume of the pyramid: The area of the base of the pyramid is the same as the area of the base of the cone, which is (pi)(s²/4). The height of the pyramid is the same as the height of the cone, which is h. So, the volume of the pyramid is (1/3)π(s²/4)h = (1/12)πs²h.

As you can see, the volume of the cone is equal to one-third the volume of the pyramid.

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Answer:

76%

Step-by-step explanation:

first use the calculator you might find the answer on it even the calculator on your own phone

sorry i know you wont understand me

Students raised $225 in the first week and $90 in the second week.

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Given that, a student club has a goal to raise $750 to buy new books for a library.

In the first week, the club raised 30% of its goal.

Now, 30% of 750

= 30/100 ×750

= 3×75

= $225

In the second week, the club raised 12% of its goal.

Now, 12% of 750

= 12/100 ×750

= 0.12×750

= $90

Hence, students raised $225 in the first week and $90 in the second week.

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To prove two triangles are similar in the given circles need to prove that intercepted arc formed by the pair of angles should be equal or same.

As given in the question,

Two triangles formed in the circle are similar required following steps to prove it correct:

Therefore, to prove the two triangles are similar in the circle need to prove they have same intercepted arc formed by the pair of angles.

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If 100 students participate in the fundraiser, each student needs to raise $137.50.If 25 students participate in the fundraiser, each student needs to raise amount $550.

Amount = (Total Amount Needed) ÷ (Number of Students)

For 60 students:

Amount = $275 ÷ 60 = $4.58

For 75 students:

Amount = $275 ÷ 75 = $3.67

For 40 students:

Amount = $275 ÷ 40 = $6.88

To solve this problem, we need to use a simple equation: Amount = (Total Amount Needed) ÷ (Number of Students). We can then plug in the given information to calculate the amount each student needs to raise. For example, if 50 students participate in the fundraiser, we can calculate that each student needs to raise $275 ÷ 50 = $5.50. We can then use this equation to calculate the amount that each student needs to raise if there are different numbers of students participating in the fundraiser. For example, if there are 100 students participating in the fundraiser, each student needs to raise $275 ÷ 100 = $2.75. Similarly, if there are 25 students participating in the fundraiser, each student needs to raise $275 ÷ 25 = $11.00.

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Answer:

Converting Units and Comparing Quantities:

The truck cannot pass safely under the bridge. The truck is 13 inches taller than the maximum height.

Step-by-step explanation:

Maximum height of vehicle to pass bridge, (A) = 12 feet 5 inches = (12 x 12) + 5 = 144 + 5 = 149 inches

A Truck's height (B) = 162 inches

The difference between height of Truck and maximum height of allowed vehicle =  (A - B) = 13 inches (162 - 149)

Therefore, the truck is higher than the bridge by 13 inches, and cannot pass the bridge.

For the truck to pass the bridge, it must be below 149 inches.

Answer:

should be 81.5

Step-by-step explanation:

Answer:

--------------------------------

Given system of inequalities:

Plot the inequality and the given points to determine which of them fall into solution area.

See attached.

As we see only two points fall in the solution area, brown zone on the bottom: (6, −2), (6, 0.5).

(Answer:

(6, 5)

Step-by-step explanation:

For this question, there are not two correct choices.

Given systems:

y ≤ 2/3x + 1

y > -1/4x + 2

For the first equation, the y-intercept is 1, and the rate of change is 2/3 (rise over run). The inequality symbol is less than or equal to (≤), meaning this will be a solid line and the area shaded will be below the line.

For the second equation, the y-intercept is 2, and the rate of change is -1/4 (this means it is decreasing in number, therefore the line is going down). The inequality symbol is greater than (>), meaning this will be a dashed line and the area shaded will be above the line.

the area overlapped is where the solution will be. The answer is (6, 5) because it lies on the solid line of the first inequality, indicating it does satisfy the first inequality. Any point on the solid line satisfies the inequality. The point also lies above the second inequality, meaning it is a solution to the system.

Also, if you plug it into the system of inequalities, all the outcomes will make sense.

Answer:

2.99  is the fixed monthly membership fee

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

\( \because {(x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy \\ \therefore \: {(5)}^{2} = {x}^{2} + {y}^{2} + 2 \times 10 \\ \therefore \: 25 = {x}^{2} + {y}^{2} + 20 \\ \therefore \: 25 - 20 = {x}^{2} + {y}^{2} \\ \huge \red{ \boxed{ \therefore \: {x}^{2} + {y}^{2} = 5}}\)

Answer:

Option 1

Step-by-step explanation:

The formula is:

\((x+y)^2 = x^2+y^2+2xy\)

Putting x+y = 5, xy = 10

=> (5)² = x²+y²+2(10)

=> 25 = x²+y²+20

=>  x²+y² = 25 - 20

=>  x²+y² = 5

The coordinates of point a is (-2, 6)

The points are given as:

x = (4, 1)

b = (8, 9)

m : n = 1 : 2

The coordinates of x are calculated as:

x = 1/(m + n) * (mx₂ + nx₁, my₂ + ny₁)

So, we have:

(4, 1) = 1/(1 + 2) * (8 + 2x, 9 + y)

This gives

(4, 1) = 1/3 * (8 + 2x, 9 + y)

Multiply by 3

(12, 3) = (8 + 2x, 9 + y)

Solve for x and y

2x + 8 = 12

y + 9 = 3

This gives

x = -2

y = -6

Hence, the coordinates of point a is (-2, 6)

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A research design is a crucial component of any research study as it provides a framework for conducting the investigation.

It encompasses the planning and organization of the research process, including the specification of research questions, data collection methods, and data analysis procedures.

The research design outlines the specific research questions that the study aims to answer, guiding the focus and scope of the research. It also determines the methods and techniques that will be employed to gather data, such as surveys, interviews, observations, or experiments.

The design further delineates the timeline and sequencing of data collection, determining when and how data will be gathered from participants or sources.

Overall, a well-constructed research design ensures that the research questions are addressed effectively, the data is collected appropriately, and the analysis is conducted in a rigorous and systematic manner, enhancing the validity and reliability of the research findings.

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Aaron can arrange the 13 songs on the CD in 6,227,020,800 different ways.

To determine the number of different ways Aaron can arrange the 13 songs on the compact disk (CD), we need to find the total number of permutations for the songs. Since there are 13 songs, we can calculate this using the formula:

Permutations = 13!

Step-by-step explanation:

1. Calculate the factorial of 13 (13!).
2. The factorial function is the product of all positive integers up to that number (e.g., 5! = 5 x 4 x 3 x 2 x 1).

So, 13! = 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 6,227,020,800

Therefore, Aaron can arrange the 13 songs on the CD in 6,227,020,800 different ways.

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Answer:

Step-by-step explanation:

i think its 7(1+3) because (1+3)= 4 28/4 = 7

Answer:

x≈11.5

Step-by-step explanation:

sin(35)=x/20

x=20*sin(35)≈11.5

Answer:2.36

Step-by-step explanation:

Answer:

finish the sentence

Step-by-step explanation:

The number of terms that must be added together to achieve this series s is 5000.

Given that,

The remainder of the following convergent series must be less than 10 Superscript negative 5 in magnitude.

We have to calculate the number of terms that must be added together to achieve this.

Given

S= summation n=0 to infinity (-1)ⁿaₙ.

An upper bound for the error of the series Rₙ is aₙ₊₁ so

Rₙ=|s-sₙ|≤aₙ₊₁

In this case we have

1/2n+1≤1/10⁴

10⁴≤2n+1

(10⁴-1)/2≤n

(10⁴-1)/2 is approximately 5000.

Therefore, the number of terms that must be added together to achieve this series s is 5000.

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Answer:

22-17

Step-by-step explanation: the sequence is going by -5

Answer:

Step-by-step explanation:

$587.34 x 6.2% = $36.42

$587.34 x 1.45% = $8.52

$36.42 + $8.53 + $164.45 + $76.34 + $50 + $8 + $23 + $8 = $374.73

$587.34 - $374.73 = $212.61

Michael's net pay for this pay period should be $212.63.

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

Let's calculate Michael's total deductions first:

Social Security tax = 6.2% of $587.34 = $36.40

Medicare tax = 1.45% of $587.34 = $8.52

Federal withholding tax = $164.45

State withholding tax = $76.34

Retirement insurance contribution = $50.00

Disability insurance fee = $8.00

Medical insurance fee = $23.00

Dental insurance fee = $8.00

Total deductions.

= $36.40 + $8.52 + $164.45 + $76.34 + $50.00 + $8.00 + $23.00 + $8.00

Total deductions = $374.71

Now we can calculate Michael's net pay:

Net pay = Gross pay - Total deductions

Net pay = $587.34 - $374.71

Net pay = $212.63

Therefore,

Michael's net pay for this pay period should be $212.63.

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Answer:

y=2x+1

Step-by-step explanation:

First, find the slope by doing the slope formula.

\(\frac{y2-y1}{x2-x1} =\frac{5-(-1)}{2-(-1)} =\frac{5+1}{2+1} =\frac{6}{3}=2\\\)

Then plug it into y-y1=m(x-x1)

y-5=2(x-2)

y-5=2x-4

y=2x+1

Hope this helps!

To use the Laplace transformation to solve the following differential equation, we will first apply the transformation to the problem and its initial conditions. F(s) denotes the Laplace transform of a function f(x) and is defined as: \(Lf(x) = F(s) = [0,] f(x)e(-sx)dx\)

When the Laplace transformation is applied to the given differential equation, we get:

\(Ld2y/dx2/dx2 + Ly = 0\) .

If we take the Laplace transform of each term, we get: \(s^2Y(s) = 0 - sy(0) - y'(0) + Y(s)\).

Dividing both sides by \((s^2 + 1),\), we obtain:

\(Y(s) = (s + 2) / (s^2 + 1)\).

Now, we can use the partial fraction decomposition to express Y(s) in terms of simpler fractions:

Y(s) = (s + 2) / (\(s^{2}\)+ 1) = A/(s - i) + B/(s + i) .

Multiplying through by (\(s^{2}\) + 1), we have:

s + 2 = A(s + i) + B(s - i).

Expanding and collecting like terms, we get:

s + 2 = (A + B)s + (Ai - Bi).

Comparing the coefficients of s on both sides, we have:

1 = A + B and 2 = Ai - Bi.

From the first equation, we can solve for B in terms of A:B = 1 - A Substituting B into the second equation, we have:

2 = Ai - (1 - A)i

2 = Ai - i + Ai

2 = 2Ai - i

From this equation, we can see that A = 1/2 and B = 1/2. Substituting the values of A and B back into the partial fraction decomposition, we have:

Y(s) = (1/2)/(s - i) + (1/2)/(s + i). Now, we can take the inverse Laplace transform of Y(s) to obtain the solution y(x) in the time domain. The inverse Laplace transform of 1/(s - i) is \(e^(ix).\)

As a result, the following is the solution to the given differential equation:\((1/2)e^(ix) + (1/2)e^(-ix) = y(x).\)

Simplifying even further, we get: y(x) = sin(x)

As a result, given the initial conditions dy(0)/dx = 2 and y(0) = 1, the solution to the above differential equation is y(x) = cos(x).

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Answer:

3.75

Step-by-step explanation:

Follow PEMDAS

P = parentheses so first it will turn to 30 divided by 3 times 5

E = exponents we dont have any

M = multiplication 30 divided by 8

D = division = 3.75

The function f(x) = x³ - 12x² + 21x - 9 is increasing on the open intervals (-∞, 0) and (4, ∞) and decreasing on the open interval (0, 4). The x-coordinates of the relative maxima and minima are x = 0, x = 2, and x = 4/3.

To find the open intervals on which the function f(x) is increasing or decreasing, we need to find its derivative f'(x). Taking the derivative and simplifying, we get:

f'(x) = 3x² - 24x + 21

To find the critical points, we need to solve f'(x) = 0. Factoring, we get:

f'(x) = 3(x - 1)(x - 7)

Therefore, the critical points are x = 1 and x = 7. To determine whether f(x) is increasing or decreasing on the intervals between the critical points, we can use the first derivative test. We evaluate f'(x) at points within each interval and check its sign:

f'(-1) = 54 > 0, f'(2) = -3 < 0, f'(4) = 3 > 0, f'(8) = 99 > 0

Therefore, f(x) is increasing on the intervals (-∞, 0) and (4, ∞), and decreasing on the interval (0, 4).

To find the relative maxima and minima, we need to use the second derivative test. Taking the second derivative and simplifying, we get:

f''(x) = 6x - 24

Evaluating f''(x) at each critical point, we get:

f''(1) = -18 < 0 (relative maximum), f''(7) = 18 > 0 (relative minimum)

To check the nature of the critical point at x = 0, we can simply plug it into the original function and see that it is a relative minimum.

Therefore, the x-coordinates of the relative maxima and minima are x = 0 (relative minimum), x = 1 (relative maximum), x = 7 (relative minimum), and x = 4/3 (relative maximum).

Therefore, the function f(x) = x³ - 12x² + 21x - 9 is increasing on the open intervals (-∞, 0) and (4, ∞) and decreasing on the open interval (0, 4). The x-coordinates of the relative maxima and minima are x = 0, x = 1, x = 7, and x = 4/3.

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Answer:

x=1 or x=3

Step-by-step explanation:

x2−4x+3=0        (x−1)(x−3)=0       x−1=0 or x−3=0      x=1 or x=3                                                                                                                  

Given that random sample of 25 values is drawn from a mound-shaped and symmetrical distribution. The sample mean is 10 and the sample standard deviation is 2. H0 (null hypothesis) is accepted.

we can infer that -

95 % CI for mean  9.1744 to 10.8256

Since p >0.05 accept null hypothesis.

standard deviation sigma not known.  df = 24

H0:  x bar = 9.5

Ha: x bar not equals 9.5

t-statistic  1.250

P = 0.2234

We fail to reject null hypothesis

There is no statistical evidence at 5% level to fail to reject H0

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Answer:

83 degress

Step-by-step explanation:

We know that every hour it dropped 8 degress. If it dropped from 4pm to 8pm, that means it dropped 4 times. 3x4=12 so we do 95-12 which equals 83.