Please help due soon.

(a) correctly describes the relationship between a parameter and a statistic.

The correct description is:

a) A statistic is calculated from sample data and is generally used to estimate a parameter.

In statistics, a parameter refers to a characteristic or measure that describes a population, while a statistic is a characteristic or measure calculated from sample data. Statistics are often used to estimate or infer the corresponding parameters of the population. Therefore, option (a) correctly describes the relationship between a parameter and a statistic.

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The answer is : $36.36

Step-by-step explanation:

The given box is a rectangular box. To find the felt needed to cover the box, we need to find the surface area of the rectangular prism.

Surface area of a rectangular prism = 2(l*w + w*h + h*l), where "l" is the length, "w" is the width and "h" is the height of the rectangular prism.

Given: l = 11 inches; w = 8 inches; and h = 6 inches.

Now plug in these given values in the above formula, we get

Surface area of the rectangular prism = 2 (11* 8 + 8*6 + 6*11)

= 2(88 + 48 + 66)

= 2(202)

= 404

The surface area of the rectangular prism = 404  square inches.

The felt cost 9 cents square inches.

Convert 9 cents to dollar.

9 cents = $0.09

To find the cost of the felt needed to cover prism multiply 404 by 0.09

The total cost = 404*0.09 = $36.36

Hope this helped :)))

Answer:

C

Step-by-step explanation:

Using the definition of a midpoint and collinear points, the proof that shows that B is the midpoint of AC is explained below.

If three points are on a straight line, they are defined as being collinear points. That is, three points, A, B, and C are collinear points if they are on a straight line, and B is in the middle of points A and b.

When a segment is divided into two equal halves, the point that lies in the middle of the segment where the segment is cut into halves is called the midpoint of the line segment.

The proof that shows that B is the midpoint of line segment AC is shown below:

Statements                                  Reasons                                        

a. A, B, and C are collinear        a. Given

AB = BD, BD = BC                        

b. AB = BC                                   b. Substitution

c. AB ≅ BC                                   c. Definition of congruency

d. B is the midpoint                    d. AB ≅ BC

Thus, the proof above explains how point B is the midpoint of line segment AC in the image given.

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Answer: 195,944 bicycles

Step-by-step explanation:

First find the number of bicycles sold in August.

August sales - July sales - 9,152

= 61,753 - 9,152

= 52,601 bicycles

The number of bicycles sold in 3 months is:

= June sales + July + August ,

= 81,590 + 61,753 + 52,601

= 195,944 bicycles

Answer:

the EQUATION IS NICE BUT IT NEED TO BE WORKED FIRST AND THE GRAPH IS INCORRECT IT SHOULD BE

Answer:

A = 10.5 cm²

Step-by-step explanation:

The area (A) of a triangle is calculated as

A = \(\frac{1}{2}\) bh ( b is the base and h the perpendicular height )

Here b = 7 and h = 3 , then

A = 0.5 × 7 × 3 = 10.5 cm²

Answer:

A = 10.5 cm²

Step-by-step explanation:

hope this helps

The distance between the two points is 13.04.

Given that,

Based on the above information, the distance formula should be applied for determining the distance between the two points

\(= \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \\\\= \sqrt{(6 - (-7))^2 + (6-5)^2}\\\\= \sqrt{(6+7)^2 + (1)^2}\\\\= \sqrt{169 + 1} \\\\= \sqrt{170}\)

= 13

Therefore we can conclude that the distance between the two points is 13.04.

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Statistical significance refers to the likelihood that the association between two variables is not due to chance alone. In other words, it is a measure of the probability that the observed relationship between two variables is real and not just a result of random variation or sampling error.

When analyzing data, researchers often use statistical tests to determine whether there is a significant association between two variables. A p-value is calculated, which represents the probability that the observed relationship between the variables is due to chance. If the p-value is less than a predetermined threshold (usually 0.05), the results are considered statistically significant, and the researchers can conclude that there is a real association between the variables. It's important to note that statistical significance does not necessarily imply practical significance. Just because a relationship is statistically significant does not mean that it is important or meaningful in real-world terms. Additionally, statistical significance only tells us about the strength of the relationship between two variables, not about causation or directionality. Therefore, it is always important to interpret statistical significance in the broader context of the research question and study design.

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The graph that shows Tanisha's data about temperature and time  is shown below .

The graph is a relation that represents the relationship between two variables on the x and y axis .

In the question ,

Tanisha's data of time of day and the temperature, in degrees Fahrenheit is given,

the temperature at 6 a.m. = 56° F

for the next 2 hours the temperature rose 1° each hour means

in 2 hours it will rise 2°

So , the temperature at 8 a.m. = 58° F

For the next 4 hours, it rose 2° per hour which means

in 4 hours it will rise 8°

So , the temperature at 12 p.m. = 66° F

The temperature then stayed steady until 6 p.m. which means

temperature at 6 p.m. = 66° F

For the next 2 hours, the temperature dropped 2° per hour , which means

temperature at 8 p.m. = 64° F

the temperature at midnight = 60° F

So , from the above data the graph is shown below .

Therefore , The graph that shows Tanisha's data about temperature and time is shown below .

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Answer:

44

Step-by-step explanation:

36/9 * 11 will get the answer

9/11 * x = 36

x = 44

(multiplied each side by 11/9 to cancel out fraction)

The solution to the problem is the simplified expression: 5x³ - x² - 3x + 13.

To solve the given problem, you need to simplify and combine like terms. Start by adding the coefficients of the same degree terms.

(3x³ - x² + 4) + (2x³ - 3x + 9)

Combine the like terms:

(3x³ + 2x³) + (-x²) + (-3x) + (4 + 9)

Simplify further:

5x³ - x² - 3x + 13

In this expression, the highest power of x is ³, and the corresponding coefficient is 5. The term -x² represents the square term, -3x represents the linear term, and 13 is the constant term. The simplified expression does not have any like terms left to combine, so this is the final solution.

Remember to check for any specific instructions or constraints given in the problem, such as factoring or finding the roots, to ensure you address all requirements.

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A Mediterranean diet truly reduces the risk of ovarian cancer, it's essential to consider selection bias, measurement bias, confounding factors, and sample size.

By addressing these sources of bias, the study's validity and reliability can be improved.
1. Selection bias: If the study participants were not randomly selected or did not represent the general population, this could lead to null findings. To address this, ensure proper randomization and representativeness of the sample.
2. Measurement bias: If there were inaccuracies in measuring the adherence to the Mediterranean diet or the occurrence of ovarian cancer, it could lead to null findings. To address this, use standardized and validated tools for measuring both the exposure and the outcome.
3. Confounding factors: If other factors that affect the relationship between the Mediterranean diet and ovarian cancer were not controlled for in the analysis, this could lead to null findings. To address this, identify and control for potential confounders in the study design or statistical analysis.
4. Small sample size: If the study had a small sample size, it might not have enough power to detect a true association between the Mediterranean diet and ovarian cancer, leading to null findings. To address this, ensure that the sample size is large enough to provide sufficient statistical power.

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Terrence's error lies in assuming that ∠ADE and ∠CDE are congruent based solely on the fact that BD bisects AC, and △AED ≅ △CED.

Generally, this is not necessarily true. While △AED and △CED are congruent by the Side-Angle-Side (SAS) criterion, it is not guaranteed that ∠ADE and ∠CDE are congruent. In fact, the only thing that we can say for certain about these two angles is that they are supplementary, since they form a linear pair.

To find m∠ABC, we need to use the fact that opposite angles in a kite are congruent. Since ∠ADE and ∠BAE are adjacent angles in the kite, they are not congruent. However, since ∠BAE and ∠BCA are opposite angles in the kite, they are congruent. Therefore, we have:

m∠BAE = m∠BCA = 66°

m∠ADE = 59°

We can use the fact that the sum of the angles in △ABC is 180° to find m∠ABC. We have:

m∠ABC + m∠BCA + m∠CAB = 180°

Substituting the known values, we get:

m∠ABC + 66° + 59° = 180°

Simplifying, we get:

m∠ABC = 55°

Therefore, the measure of ∠ABC is 55°, not 118° as Terrence had assumed.

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Answer: 1

Step-by-step explanation: calculator lol

Answer:

= 1

Step-by-step explanation:

− 2 + 7 −4

=5 −4

= 1

The height of the pyramid is 12 units.

The volume of the pyramid is 400 units cube.

The pyramid has a square base with side length of 10 units. Each segment that connect the apex to a midpoint of a side of the base has a length of 13 units.

Therefore, the height of the pyramid can be calculated as follows:

The height of the pyramid can be found using Pythagoras's theorem for right triangles.

Hence,

c² = a² + b²

where

Therefore,

h² = 13² - 5²

h = √169 - 25

h = √144

h = 12 units

Therefore,

height of the pyramid = 12 units

Volume of the square pyramid = 1 / 3 BH

where

Therefore,

B = 10² = 100 units²

Volume of the square pyramid = 1 / 3 × 100 × 12

Volume of the square pyramid = 1200 / 3

Volume of the square pyramid = 400 units³

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Answer:

answer:

f(320)= how much Dereck pays for phone service if he calls  320 minutes.

F(320)=0.11(320)+43=35.2+43=78.2

Answer: the value of f(320) is $78.2 and it will be the cost of phone service for 320 minutes of international calls.  

Step-by-step explanation:

If lines A, B and C shows proportional relationships, then the line A has a constant of proportionality between y and x is 5

Given the line A, B and C

The constant of proportionality is the ratio of the y coordinates to the x coordinate

k = y /x

Where k is the constant of proportionality

Consider the line A

One point on the line = (1, 5)

Constant of proportionality K = 5/1

= 5

Consider the line B

One point on the line = (3, 5)

Constant of proportionality k = 5/3

Consider the line C

One point on the line = (7, 5)

Constant of proportionality = 5/7

Therefore, the line A has the constant of proportionality of 5

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The given question is incomplete, the complete question is

Lines A, B, and C show proportional relationships. Which line has a constant of proportionality between y and x of 5?

No, it is not possible for matrix A and B to be similar when B = A + I, where A is an nxn matrix and I is the identity matrix of the same size.

Two matrices A and B are said to be similar if there exists an invertible matrix P such that \(B = P^{(-1)}AP\). In this case, A and B have the same eigenvalues, and their corresponding eigenvectors can be related through the matrix P.

Let's consider the eigenvalues of B. Since B = A + I, the eigenvalues of B are obtained by adding 1 to each eigenvalue of A. In other words, if λ is an eigenvalue of A, then λ + 1 is an eigenvalue of B.

Now, suppose A and B are similar. This means that they have the same eigenvalues. However, the eigenvalues of B are shifted by 1 compared to the eigenvalues of A. Therefore, it is not possible for A and B to have the same eigenvalues, unless A has eigenvalues that are all equal to -1.

Since the eigenvalues of A and B are different, we can conclude that A and B cannot be similar.

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Using Euler integration, the next values of x and y can be determined as follows:

x_next = x_current + delta_X

y_next = y_current + delta_X * y'

Euler integration is a numerical method used to approximate solutions to differential equations. It is based on the concept of dividing the interval into small steps and using the derivative at each step to calculate the next value. In this case, we are given the current values of x=2, y=8, and y'=9, with a step size of delta_X=5.

To determine the next values of x and y, we use the following formulas:

x_next = x_current + delta_X

y_next = y_current + delta_X * y'

Substituting the given values into the formulas, we have:

x_next = 2 + 5 = 7

y_next = 8 + 5 * 9 = 53

Therefore, the updated values of x and y using Euler integration are x=7 and y=53.

It's important to note that Euler integration provides an approximate solution and the accuracy depends on the chosen step size. Smaller step sizes generally lead to more accurate results. Other numerical methods, such as Runge-Kutta methods, may provide more accurate approximations.

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Answer:

D

Step-by-step explanation:

This uses the Altitude- on- Hypotenuse theorem

An altitude drawn to the hypotenuse of a right triangle.

The 2 triangles formed are similar to the given triangle and each other, thus

Δ BAC ~ Δ BDA

The ratios of corresponding sides are equal, that is

\(\frac{BA}{BD}\) = \(\frac{BC}{BA}\) , substitute values

\(\frac{14}{x}\) = \(\frac{30}{14}\) ( cross- multiply )

30x = 196 ( divide both sides by 30 )

x ≈ 6.5 ( to the nearest tenth ) → D

Rational number

Answer:

It is rational, as it is both non-terminating and repeating.

hope it helps :D

Answer:

434 sweatshirts were sold

Step-by-step explanation:

$2,170/$5 = 434

Answer:

5/9

Step-by-step explanation:

To find the equation of a line parallel to y = 5x - 5, we know that the slope of the new line will also be 5 (since parallel lines have the same slope). We also have a point that the line must pass through, which is (1,6). We can use the point-slope form of a line to find the equation:

y - y1 = m(x - x1)
where m is the slope, and (x1, y1) is the given point.

Substituting in our values, we get:

y - 6 = 5(x - 1)

Expanding the brackets gives:

y - 6 = 5x - 5

Adding 6 to both sides gives:

y = 5x + 1

So the equation of the line parallel to y = 5x - 5 and passing through the point (1,6) is y = 5x + 1.
Hi! To write an equation for a line parallel to y = 5x - 5 and passing through the point (1, 6), we'll use the given information. Parallel lines have the same slope. Since the slope of the given line is 5, the slope of our parallel line will also be 5.

Now, we can use the point-slope form of a linear equation, which is y - y1 = m(x - x1), where m is the slope and (x1, y1) is the given point.

Plugging in the values, we get:

y - 6 = 5(x - 1)

This is the equation of the line parallel to y = 5x - 5 and passing through the point (1, 6).

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Answer:

  2.76×10^-3 m/s²

Step-by-step explanation:

You want to know the acceleration of the moon toward the Earth, given its distance is 3.8×10^8 meters, Earth's mass is 5.98×10^24 kg, and the gravitational constant is 6.673×10^-11 N·m²/kg².

The acceleration of one body by another is ...

  a = GM/r²

where G is the gravitational constant, M is the body creating the gravitational field, and r is the distance between the masses.

  a = (6.673×10^-11)(5.98×10^24)/(3.8×10^8)² N/kg

  a = (6.673·5.98/3.8²)×10^(-11+24-16) m/s² ≈ 2.76×10^-3 m/s²

Step-by-step explanation:

(i) Let x = 0 and x-2y=4

Put x = 0 in x-2y=4

0-2y=4

-2y=4

y=-2

If x = 0, the value of y is -2.

(ii) Let y=0 and x-2y=4

Put y = 0 in x-2y=4

x-2(0)=4

x=4

If y = 0, the value of x is 4.

The Maclaurin series for f(x) converges absolutely for x within the interval (-2/3, 2/3).

To find the Maclaurin series for the function f(x) = (3cos(x))ln(1+x), we can use the standard formulas for the Maclaurin series expansion of elementary functions.

First, let's find the derivatives of f(x) up to the third order:

f(x) = (3cos(x))ln(1+x)

f'(x) = -3sin(x)ln(1+x) + (3cos(x))/(1+x)

f''(x) = -3cos(x)ln(1+x) - (6sin(x))/(1+x) + (3sin(x))/(1+x)² - (3cos(x))/(1+x)²

f'''(x) = 3sin(x)ln(1+x) - (9cos(x))/(1+x) + (18sin(x))/(1+x)² - (12sin(x))/(1+x)³ + (12cos(x))/(1+x)² - (3cos(x))/(1+x)³

Next, we evaluate these derivatives at x = 0 to find the coefficients of the Maclaurin series:

f(0) = (3cos(0))ln(1+0) = 0

f'(0) = -3sin(0)ln(1+0) + (3cos(0))/(1+0) = 3

f''(0) = -3cos(0)ln(1+0) - (6sin(0))/(1+0) + (3sin(0))/(1+0)² - (3cos(0))/(1+0)² = -3

f'''(0) = 3sin(0)ln(1+0) - (9cos(0))/(1+0) + (18sin(0))/(1+0)² - (12sin(0))/(1+0)³ + (12cos(0))/(1+0)² - (3cos(0))/(1+0)³ = -9

Now we can write the first three nonzero terms of the Maclaurin series:

f(x) = f(0) + f'(0)x + (f''(0)/2!)x² + (f'''(0)/3!)x³ + ...

f(x) = 0 + 3x - (3/2)x² - (9/6)x³ + ...

Simplifying, we have:

f(x) = 3x - (3/2)x² - (3/2)x³ + ...

To determine the values of x for which the series converges absolutely, we need to find the interval of convergence. In this case, we can use the ratio test:

Let aₙ be the nth term of the series.

|r| = lim(n->infinity) |a_(n+1)/aₙ|

= lim(n->infinity) |(3/2)(xⁿ+1)/(xⁿ)|

= lim(n->infinity) |(3/2)x|

For the series to converge absolutely, we need |r| < 1:

|(3/2)x| < 1

|x| < 2/3

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Answer:

8

Step-by-step explanation:

You know a cube has 6 sides, so you divide 24 by 6 to get the surface area of 1 side

24/6 = 4

Then to get the side length of the cube, square root 4

\(\sqrt{4} = 2\)

To get the volume, multiply the base (4) by the height (2)

4*2 = 8