PLEASE HELP ME FAST!!!!

the answer is 3 hhhhhhhhhhhh

Central tendency, is the term that relates to the way data tend to cluster around some middle or central value.

Measures of central tendency are summary statistics that represent the center point or typical value of a dataset. Examples of these measures include the mean, median, and mode. These statistics indicate where most values in a distribution. Mode in statistics is the number of times a number is repeated. The number which is repeated maximum times in a series of data is known as the modular number. The mode is used to compare data that has extreme figures. Central tendency simply means most scores in a normally distributed set of data tend to cluster near the center of a distribution.

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To find dy/dt, we can differentiate the given equation y^3 = 2x^4 + 81 with respect to t using implicit differentiation.

Differentiating both sides of the equation with respect to t, we get:

3y^2 * dy/dt = 8x^3 * dx/dt

Substituting the given values dx/dt = 4, x = 5, and y = 11 into the equation, we can solve for dy/dt:

3(11)^2 * dy/dt = 8(5)^3 * 4

363 * dy/dt = 8 * 125 * 4

363 * dy/dt = 4000

Dividing both sides by 363, we find:

dy/dt = 4000 / 363

Simplifying this expression, we get:

dy/dt = 400/33

Therefore, the value of dy/dt is 400/33.

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Number of students included  in the sample to estimate the proportion with confidence interval 95% is equal to 9604.

As given in the question,

Confidence interval = 95%

z -critical value for 95% confidence interval = 1.96

Estimate proportion is in the limit 0f 0.07

Let us assume value of

sample proportion 'p' = 0.5

Margin of error  = 0.01

level of significance = 0.05

let 'n' be the sample size to represent number of students included for the hypothesis.

n = p ( 1 - p ) ( z- critical value / margin of error )²

⇒ n = 0.5 ( 1 - 0.5 )( 1.96 / 0.01 )²

⇒ n = 0.5 (0.5 ) (3.8416/ 0.0001)

⇒ n = 0.25 × 38416

⇒ n = 9604

Therefore, the number of students included for the hypothesis to estimate the proportion with confidence interval 95% is equal to 9604.

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The amount of X and Y that can give Adam the most utility is (αI/ Px) units of good X and (βI/ Py) units of good Y.

The Cobb-Douglas utility function represents a consumer's preferences towards two goods, X and Y. The function for Adam's preferences is given by:

U(x,y)=x α * y β, where α + β = 1. Given the price of good X is Px, the price of good Y is Py, and Adam's disposable income is I.

The total expenditure (E) for two goods will be:

E= PxX + PyY, Where X is the quantity of good X and Y is the quantity of good Y.

Adam's income constraint can be represented as:

I = PxX + PyY

We can rewrite the above expression as:

X = (I/ Px) - ((Py/Px)Y)

Thus, Adam's utility function can be written as:

U = X α * Y β

Substituting X with the expression we derived above, we get:

U = [(I/ Px) - ((Py/Px)Y)] α * Y β

To get the optimal consumption bundle, we need to maximize the utility function, which is given by:

MUx/ Px = α(Y/X)β

Muy/ Py = β(X/Y)α

Multiplying the two equations, we get:

MUx * Muy = αβ

Now, substituting the value of α + β = 1 in the above equation, we get:

MUx * Muy = α(1 - α)

Similarly, dividing the two equations, we get:

MUx / Muy = α/β

Now, we have two equations and two unknowns. We can solve them to get the values of X and Y, which maximize Adam's utility.

After solving, we get:

X = (αI / Px)

Y = (βI / Py)

Thus, the amount of X and Y that can give Adam the most utility is (αI/ Px) units of good X and (βI/ Py) units of good Y.

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Answer: $150

Step-by-step explanation:

Hi, the question says:

Calculate the simple interest produced by $4500 at 5% simple annual interest in 8 months.

To answer this question we have to apply the simple interest formula:  

I = p x r x t  

Where:  

I = interest  

P = Principal Amount  

r = Interest Rate (decimal form)  

t = years  

Since 1 year = 12 months;  

For 8 months:

8/12 = 2/3 years  

Replacing with the values given  

I = 4500 x (5/100) x 2/3

I = $150

Feel free to ask for more if needed or if you did not understand something.  

Answer:

hmmm.

Step-by-step explanation:

times it by 12,000

like 12,000 being half a day

hahaha I dont know

The amount after 2 years is given as follows:

$88.2

The amount of money earned, in compound interest, after t years, is given by:

\(A(t) = P\left(1 + \frac{r}{n}\right)^{nt}\)

In which:

The parameters for this problem are given as follows:

P = 80, r = 0.05, n = 1, t = 2.

Hence the balance after 2 years is given as follows:

A(2) = 80 x (1.05)²

A(2) = $88.2.

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Answer:

90 grados es un ángulo recto

Answer: 90 (noventa grados).

Step-by-step explanation: Hay noventa grados en un ángulo recto.

*Lo siento si mi español es malo, es mi segundo año.

Positive correlation means that both variables tend to increase (or decrease) together. Thus, Option A is the answer.

Positive correlation refers to a relationship between two variables in which an increase in one variable is associated with an increase in the other variable. Negative correlation, on the other hand, refers to a relationship in which an increase in one variable is associated with a decrease in the other variable. No correlation means that there is no relationship between the two variables.

To determine the strength of a correlation, we can use a statistical measure called the correlation coefficient, which ranges from -1 to 1. A correlation coefficient of 1 indicates a perfect positive correlation, a correlation coefficient of -1 indicates a perfect negative correlation, and a correlation coefficient of 0 indicates no correlation.

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Answer:

Hmmm It's kinda blurry for me

Step-by-step explanation:

Answer:

A=314.2

Step-by-step explanation:

A=\(\pi\)r²

A=100\(\pi\)

A=314.159

A=314.2

Answer:

x = -3, y = 9

Step-by-step explanation:

-5x - 5y = -30

x - y = 6

x = -y + 6

10x + 3y = -3

10(-y + 6) + 3y = -3 (plug in x from the previous equation)

60 - 10y + 3y = -3

60 - 7y = -3

-7y = -63

y = 9

x = -y + 6

x = -(9) + 6

x = -3

Write the mixed fraction on the right side as a proper fraction.

The given equation becomes

The value of x is 9.

To determine which pair of events are independent, we need to check if the probability of their intersection is equal to the product of their individual probabilities. If the two probabilities are equal, the events are independent; otherwise, they are dependent.

Using the probabilities given, we can calculate the probabilities of the individual events:

P(a) = 0.4

P(b) = 0.3

P(c) = 0.2

P(d) = 0.1

We can also calculate the probabilities of the intersections of the events:

P(a ∩ b) = 0.1

P(a ∩ c) = 0.1

P(a ∩ d) = 0.1

P(b ∩ c) = 0.05

P(b ∩ d) = 0.05

P(c ∩ d) = 0.01

Now, we can check the pairs of events for independence:

1. Events a and b:

P(a) * P(b) = 0.4 * 0.3 = 0.12

P(a ∩ b) = 0.1

Since P(a ∩ b) is not equal to P(a) * P(b), events a and b are dependent.

2. Events a and c:

P(a) * P(c) = 0.4 * 0.2 = 0.08

P(a ∩ c) = 0.1

Since P(a ∩ c) is greater than P(a) * P(c), events a and c are dependent.

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3. Events a and d:

P(a) * P(d) = 0.4 * 0.1 = 0.04

P(a ∩ d) = 0.1

Since P(a ∩ d) is greater than P(a) * P(d), events a and d are dependent.

4. Events b and c:

P(b) * P(c) = 0.3 * 0.2 = 0.06

P(b ∩ c) = 0.05

Since P(b ∩ c) is not equal to P(b) * P(c), events b and c are dependent.

5. Events b and d:

P(b) * P(d) = 0.3 * 0.1 = 0.03

P(b ∩ d) = 0.05

Since P(b ∩ d) is not equal to P(b) * P(d), events b and d are dependent.

6. Events c and d:

P(c) * P(d) = 0.2 * 0.1 = 0.02

P(c ∩ d) = 0.01

Since P(c ∩ d) is not equal to P(c) * P(d), events c and d are dependent.

Therefore, none of the pairs of events are independent.

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Answer:

Step-by-step explanation:

\(a_1=-8\\a_2=-2\\a_3=4\\\\d=a_2-a_1=a_3-a_2=...=a_n-a_{n-1}\qquad\qquad \{n\ge2\}\\\\\left{\big{a_2-a_1=-2-(-8)=-2+8=6}\atop\big{a_3-a_2=4-(-2)=4+2=6\quad\ \,}\right\}\implies\ \ d=6\)

Answer:

I suggest it's Ryan

Step-by-step explanation:

If John hits the center once in every 3 row, it means that he hit it 6-7 times but Ryan hits the center for about 12 times. It's definitely Ryan!

Answer:

8/4 or 2/1 simplified

Step-by-step explanation:

Given:

The function is

\(f(x)=-x^2+4\)

It defined on the interval -8 ≤ x ≤ 8.

To find:

The intervals on which the function is increasing and the interval on which decreasing.

Step-by-step explanation:

We have,

\(f(x)=-x^2+4\)

Differentiate with respect to x.

\(f'(x)=-(2x)+(0)\)

\(f'(x)=-2x\)

For turning point f'(x)=0.

\(-2x=0\)

\(x=0\)

Now, 0 divides the interval -8 ≤ x ≤ 8 in two parts [-8,0] and [0,8]

For interval [-8,0], f'(x)>0, it means increasing.

For interval [0,8], f'(x)<0, it means decreasing.

Therefore, the function is increasing on the interval [-8,0] and decreasing on the interval [0,8].

The equation of a vertical asymptote to the graph of y = sec(6x - π) is x = π/6. Hence, option a is correct.

The function y = sec(6x - π) has vertical asymptotes at the values of x where the denominator of sec(6x - π) becomes zero. The reciprocal of sec(θ) is cos(θ). Because the cosine function has the values π/2, 3π/2, 5π/2, we will insert such an input that we get 0 in denominator.

6x - π = π/2

Solving for x,

6x = π/2 + π

6x = 3π/2

x = (3π/2) / 6

x = π/6

Therefore, the equation of a vertical asymptote to the graph of y = sec(6x - π) is x = π/6.

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Answer:

Step-by-step explanation:

r x 7 => 18

Answer:

9/24

Step-by-step explanation:

This is because when we multiply 3/8 with 3 in both numerator and denominator we get,

\( \frac{3 \times 3}{8 \times 3} = \frac{9}{24} \)

Hence, 9/24 is required answer.

Answer:

9/24

Step-by-step explanation:

Fraction             Equivalent Fractions

3/8          6/16               9/24

Answer:

0.12

Step-by-step explanation:

1.99 ÷ 17= 0.117

then you round and it becomes 0.12

Answer:

He should have divided by 4, not 6....

Step-by-step explanation:

Just did the lesson

Abdul have done error by dividing with 6 instead of 5, So Abdul should have divided by 5, not 6 is correct option.

The area of Rectangle is length times of width.

According to the information provided, the initial dimensions of the pool are a rectangle with length 24 feet and width 15 feet.

The corresponding dimensions in the drawing are a rectangle with length 4 feet and width 3.75 feet.

Therefore, the scale factor for the length is:

24/4 = 6

And the scale factor for the width is:

15 feet / 3.75 feet = 4

Abdul wants to fit the pool into a smaller space, so he needs to find the corresponding dimensions of the pool in the drawing that has a length of 20 feet.

To maintain the same scale, he needs to apply the same scale factor to the new length.

Thus, the new length in the drawing is:

20/6 = 3.33 feet

Similarly, he needs to apply the same scale factor to the new width to maintain the same scale.

Thus, the new width in the drawing is:

18.75/4 = 4.69 feet

Now, let's check Abdul's work:

24/6×6/20=4/3

Left side is not equal to right side.

Abdul should have divided by 5, not 6.

Hence, Abdul have done error by dividing with 6 instead of 5, So Abdul should have divided by 5, not 6 is correct option.

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The inverse function of f(x) = \(2^(x-1)\) is \(f^(-1)(x)\) = log2(x) + 1. The inverse function takes an input x and returns the value y, such that when y is plugged back into the original function, we obtain the original input x.

The inverse function of f(x) = \(2^(x-1)\) is given by \(f^(-1)(x)\) = log2(x) + 1, where log2(x) represents the logarithm base 2 of x.
To find the inverse function, we need to interchange the roles of x and y in the original function and solve for y. Let's start with f(x) = \(2^(x-1)\) and rewrite it as y = \(2^(x-1)\).
Step 1: Interchange x and y: x = \(2^(y-1)\).
Step 2: Solve for y: Taking the logarithm base 2 of both sides, we get log2(x) = y - 1.
Step 3: Isolate y: Adding 1 to both sides, we obtain y = log2(x) + 1.
Therefore, the inverse function of f(x) = \(2^(x-1)\) is \(f^(-1)(x)\) = log2(x) + 1. The inverse function takes an input x and returns the value y, such that when y is plugged back into the original function, we obtain the original input x.

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The worth of a $300 investment at an annual interest rate of 8% per year after 30 years can be calculated using the compound interest formula. The worth of the investment after 30 years will be approximately $1,492.22.

1. Start with the initial investment amount: $300.

2. Calculate the interest rate as a decimal: 8% = 0.08.

3. Use the compound interest formula: A = P(1 + r/n)^(nt), where A is the final amount, P is the principal (initial investment), r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the number of years.

4. Plug in the given values into the formula:

  A = 300(1 + 0.08/1)^(1*30)

  A = 300(1 + 0.08)^30

  A ≈ 300(1.08)^30

5. Calculate the final amount using a calculator or spreadsheet:

  A ≈ 300 * 5.1847055

  A ≈ $1,555.41

Therefore, the worth of the $300 investment after 30 years at an annual interest rate of 8% will be approximately $1,492.22.

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Answer:

Step-by-step explanation:

y + 7 = 1/4(x - 4)

y + 7 = 1/4x - 1

y = 1/4x - 8