Can someone help me asap? It’s due today!! I will give brainliest if it’s all correct

Please do part a, b, and c

Provided herein are ways to compute the volume of a cylinder and cone:

The equation used to determine the volume of a cylinder is V = πr²h, where V represents the resultant volume after computation. The variable r denotes the radius, which measures the distance spanning from the center to the edge on the base, whereas h represents the height of the cylinder.

Cone volume can be calculated by solving for V using the equation V = (1/3)πr²h. In computing this formula, there are three important parameters taken into consideration: V which stands for volume to be obtained; r representing the distance between the center and the bottom of the base, also called the radius; and h, the statue-like size attached at the apex of the inverted area.

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Within the case of 7320, the digit within the tens put is 3, which is less than 5. Hence, we circular down the units digit to 0, and the number gets to be 7300.

Within the handle of adjusting to one noteworthy figure, we ought to see the digit within the tens put (the moment digit from the cleared out) and decide whether to circular up or down. On the off chance that the digit within the tens put is 5 or more prominent, we circular up the units digit. In the event that it is less than 5, we circulate down the units digit.

This streamlines the number and keeps as it were the foremost noteworthy digit, which is 7. Adjusting to one noteworthy figure could be a valuable way to quickly estimate the greatness of a number without requiring to know the correct esteem. 

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a) The most appropriate T-test to conduct for this data is an independent samples t-test, as we have two independent groups (Hawaii and Cancún vacationers) and we want to compare their means on the satisfaction scale.

b) To determine if there is a significant difference between s1^2 and s2^2, we need to first compute the variances and then compare them using an F-test or Levene's test. Without the specific variance values, we cannot determine if there's a significant difference. If there is a significant difference, we would use a t-test that accounts for unequal variances (Welch's t-test).

c) To report the obtained t-score and p-value, you will need to first calculate the mean satisfaction for each group, then perform the independent samples t-test using the provided data. Unfortunately, without performing the calculations, we cannot provide you with the t score or p value.

d) After performing the t-test and comparing the obtained p-value to the α = .01 level, you can make a statistical decision about the null hypothesis. If the p-value is less than α, you would reject the null hypothesis, indicating a significant difference in satisfaction between the two groups. If the p-value is greater than α, you would fail to reject the null hypothesis, indicating no significant difference in satisfaction.

e) To calculate the r^2, you will need the t score and the degrees of freedom (df). The formula for r^2 is: r^2 = (t^2) / (t^2 + df). After calculating r^2, you can interpret it as the proportion of the total variation in satisfaction scores that can be explained by the difference between the two vacation destinations. A higher r^2 value indicates a stronger effect of the vacation destination on satisfaction scores.

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Answer:

The function f(x) = x^2 + 2x + 26 can be rewritten as f(x) = (x + 1)^2 + 25 by completing the square.

Step-by-step explanation:

To rewrite the function f(x) = x^2 + 2x + 26 by completing the square, we follow these steps:

1. Take half of the coefficient of x, which is 1/2(2) = 1.

2. Square the result of step 1, which is 1^2 = 1.

3. Add and subtract the result of step 2 inside the parentheses, like this:

f(x) = x^2 + 2x + 1 - 1 + 26

Rearrange the terms inside the parentheses:

f(x) = (x + 1)^2 + 25

Therefore, the function f(x) = x^2 + 2x + 26 can be rewritten as f(x) = (x + 1)^2 + 25 by completing the square.

We can drag the books to the correct box paying attention to the number that represents their weight and how much each box can hold, as seen below.

The small box can hold:

The large box can hold:

According to the attached picture, the small box can hold between 4 and 6 pounds. Therefore, we will only add to it the number of books whose weight falls between those two numbers. If they weigh less than 4 or more than 6, we shall not add them to the box. Thus:

1 blue book + 1 green book = 3.1 + 2.4 = 5.5 lb

2 green books = 2.4 + 2.4 = 4.8 lb

The same reasoning goes for the large box. It can hold between 8 and 9 pounds. Thus, we will not add anything under 8 or over 9.

1 blue book and 2 green books = 3.1 + 2.4 + 2.4 = 7.9 lb

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The compound event probability of spinning an even number and flipping heads is P ( A ) = 1/4

Given data ,

Let the total number of outcomes in spinning a spinner be = 6

The number of even outcomes = 3

Let the number of outcomes in flipping a coin = 2

So , the probability of landing an even number = 3/6 = 1/2

The probability of landing a heads = 1/2

And , probability of spinning an even number and flipping heads is given by P ( A ) = probability of landing a heads x probability of landing an even number

On simplifying , we get

P ( A ) = 1/2 ( 1/2 )

P ( A ) = 1/4

Hence , the probability is 1/4 or 25 %

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The correct generalization about the height of the trees is given as follows:

The IQR is 160 feet. The middle half of cedar trees have heights that vary by 160 feet at most.

The ordered heights of the trees are given as follows:

16, 40, 49, 130, 200, 210.

The data-set is divided into two halves, as follows:

The quartiles are given as follows:

The interquartile range represents how much the middle 50% of elements vary, and is the difference of the third quartile by the first quartile, hence:

IQR = 200 - 40 = 60.

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Glados Brown's net pay per month, rounded to the nearest cent is $2,279.93.

The net pay is difference between the gross pay or total earnings for the period and the total taxable deductions.

The net pay is also described as the take-home pay or earnings.

Glados Brown

Gross Pay                  $2,978.39

Medicare                        $73.00

Social Security (5%)     $148.92 ($2,978.39 x 5%)

Federal Withholding

 Income Tax (16%)      $476.54 ($2,978.39 x 16%)

Total deductions        $698.46

Net Pay                   $2,279.93 ($2,978.39 - $698.46)

Thus, we can conclude that at end of each month, Glados Brown will take home (net pay) $2,279.93.

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The correct equation that shows the same relationship as 2 = 4 x 1/2 is 2 ÷ 4 = 1/2, which means dividing 2 by 4 to get 1/2. So, correct option is A.

The equation 2 = 4 x 1/2 means that if we multiply 4 by 1/2, we get 2. We can simplify 4 x 1/2 as follows:

4 x 1/2 = (4/1) x (1/2) = 4/2 = 2

So, the equation can be written as 2 = 2.

Now let's examine the answer choices:

2 ÷ 4 = 1/2 means dividing 2 by 4, which is equal to 0.5 or 1/2. This equation does not show the same relationship as 2 = 4 x 1/2, so it is not the correct choice.

1/2 x 2 = 4 means multiplying 1/2 by 2, which is equal to 1. This equation does not show the same relationship as 2 = 4 x 1/2, so it is not the correct choice.

1/2 ÷ 4 = 2 means dividing 1/2 by 4, which is equal to 0.125 or 1/8. This equation does not show the same relationship as 2 = 4 x 1/2, so it is not the correct choice.

Therefore, correct option is A.

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Complete question is:

Which equation shows the same relationship as 2= 4 x 1/2?

2 ÷ 4 = 1/2

1/2 x 2 = 4

1/2 ÷ 4 = 2

It should be noted that to accurately calculate the area of the larger house, one must initialise by ascertaining the scale factor of the original.

The customer and constructor hold antithetical perspectives, hence influencing their appraisals. The former presumes that the linear expansion of the area is direct proportionate to the scale factor; thus implying that an augmentation in upscaling would lead to an equal rise in size.

Relying on this, the more enlarged property possesses an area four times greater than the original since, when augmenting the earlier measurements by two, the resultant increase in acreage is marked as (2 x 2 = 4). Accordingly, the total region of the extended residence becomes quadruple the acreage of the initial home.

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The probability that an 18 year old woman selected at random is between 59 and 62 inches tall is 0.5328 or approximately 53.28%.

To solve this problem, we need to use the normal distribution and the formula for calculating probabilities.

First, we need to standardize the values using the formula:

z = (x - mean) / standard deviation

where x is the value we want to find the probability for, in this case, between 59 and 62 inches.

For x = 59 inches:

z = (59 - 61) / 2 = -1

For x = 62 inches:

z = (62 - 61) / 2 = 0.5

Next, we look up the probabilities associated with these z-values using a standard normal distribution table or calculator.

For z = -1, the probability is 0.1587.

For z = 0.5, the probability is 0.6915.

Finally, we subtract the probability of the lower value from the probability of the higher value to find the probability of being between 59 and 62 inches:

P(59 < x < 62) = 0.6915 - 0.1587 = 0.5328

Therefore, the probability that an 18 year old woman selected at random is between 59 and 62 inches tall is 0.5328 or approximately 53.28%.

The heights of 18-year-old women are approximately normally distributed with a mean of 61 inches and a standard deviation of 2 inches. To find the probability that a randomly selected 18-year-old woman is between 59 and 62 inches tall, you would need to use a standard normal distribution table (Z-table) or a calculator with normal distribution functions. The probability would be the area under the curve between 59 and 62 inches.

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The p-value is 0.01 or less if the chi-square statistic is 6.63 or more.

The p-value is 0.01 or less if the chi-square statistic is 6.63 or more.

An analytical statistical technique for categorical data is the chi-square test. A set of variables expected and observed frequencies can be compared to see if there is a significant difference.

The chi-square statistic, which gauges the difference between observed and anticipated frequencies, serves as the foundation for the chi-square test. The test looks at whether there is a substantial difference between the observed and expected data.

Numerous disciplines, including biology, psychology, sociology, and business, can benefit from the chi-square test. Frequently, it is used to test theories relating to the interactions between two or more category variables.

There are various chi-square tests, including the likelihood ratio chi-square test and Pearson's chi-square test. The chi-square test by Pearson

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The equation that represents each circle is given as follows:

1) (x + 2)² + (y - 4)² = 16.

2) x² + y² = 64.

The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:

[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]

The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle, while the diameter of the circle is the distance between two points on the circumference of the circle that pass through the center. Hence, the diameter’s length is twice the radius length.

For item 1, the circle has center at (-2,4) and radius of 4 units, hence the equation is given as follows:

(x + 2)² + (y - 4)² = 16.

For item 2, the circle has center at the origin and radius of 8 units, hence the equation is given as follows:

x² + y² = 64.

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The optimal specifications for this scatter diagram would involve an interval value of 5.25 for the height axis and a gap quantity of 0.44 representing the mass axis.

Based on the information, 12/ the altitude figure's span = 15 / mass points extent

mass points stretching equals = 15A/ 12

Consequently, we can replace this definition for mass elements scope into the statement that describes the variance of mass figures, thus solving for A:

15A/ 12 = 26-7

A= 5.25

Therefore, after substituting A into the term describing mass section span, one may find B:

schematic of mass data is 15A/ 12 = 6.56

B = 6.56/ range of masses = 6.56/ 15 = 0.44

Thus, the optimal specifications for this scatter diagram would involve an interval value of 5.25 for the height axis and a gap quantity of 0.44 representing the mass axis.

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Two points that lie on the line are (5, 8) and (16, 10).

The slope that best presents the number of questions completed is 2/11.

In Mathematics and Geometry, the slope of any straight line can be determined by using this mathematical equation;

Rate of change (slope) = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Rate of change (slope) = rise/run

Rate of change (slope) = (y₂ - y₁)/(x₂ - x₁)

By substituting the given data points into the formula for the slope of a line, we have the following;

Rate of change (slope) = (y₂ - y₁)/(x₂ - x₁)

Rate of change (slope) = (10 - 8)/(16 - 5)

Rate of change (slope) = 2/11

Based on the graph, the rate of change is the change in y-axis with respect to the x-axis and it is equal to 2/11.

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The price paid for buying makeup of $4.30 after a discount of 40% and the tax rate of 6% is $2.84

Marked price = $4.30

Discount percent = 40%

Discount price = Marked price - Discount amount

Discount amount = 40% of 4.30

= 0.4 * 4.30 = $ 1.72

Discount price = 4.30 - 1.72

= $ 2.58

Tax = 6%

Tax = 0.06 * 4.30

= $ 0.258

Final price = Discount price + tax

= 2.58 + 0.258

Final price = $2.84

The money paid for buying the makeup after a 40% discount and 6% tax is $2.84.

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The complete question can be "You are buying makeup for $4. 30. There is a 40% off sale on all makeup. The tax rate is 6%. What is the final price that you pay?"

The solution to the given quadratic equation, m² + 8m + 16 = 0, is m = -4

From the question, we are to solve the given quadratic equation.

The given equation is

m² + 8m + 16 = 0

We are to solve the equation using any method of our choice.

Using the factorization method

m² + 8m + 16 = 0

m² + 4m + 4m + 16 = 0

m(m+ 4) + 4(m + 4) = 0

(m + 4)(m + 4) = 0

Thus,

m + 4 = 0 OR m + 4 = 0

m = -4 OR -4

Hence,

m = -4

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Answer:c I think

Step-by-step explanation:

Answer:

9.9735

because 9.9735 can we rounded to 10 instead being confused about it

1. The congruent angles are;

angle B and Z

angle A and W

angle C and Y

angle D and Z

2. The corresponding proportional sides are;

side BC and ZY

side XY and DC

side AD and WX

side AB and WZ

Similar shapes are the shapes that have corresponding sides in proportion to every alternative and corresponding angles adequate to each other.

This means that the corresponding angles in similar shapes must be congruent. ime they will be equal.

Also, the ratio of corresponding sides of Similar shapes are equal.

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The general solution to the system of equations is:

x(t) = c1*[1, 1]*exp(0*t) + c2*[1, -1]*exp(2*t)

where c1 and c2 are constants.

To find a linearly independent pair of solutions for the given system of equations, we first need to find the eigenvalues and eigenvectors of the coefficient matrix.

The coefficient matrix is

[ 1 -1 ]

[ 1 -1 ]

The characteristic equation is:

det(A - λI) = 0

where A is the coefficient matrix, λ is the eigenvalue and I is the identity matrix.

Substituting the values we get,

det( [1-λ -1  ] ) = (1-λ)(-1) - (-1)(-1) = λ^2 - 2λ = 0

    [-1  1-λ]

Solving for λ, we get λ=0, λ=2.

Now we need to find the eigenvectors for each eigenvalue λ.

For λ=0, we have:

(A - 0I)x = 0

[1  -1] [x1]   [0]

[1  -1] [x2] = [0]

This gives us the equation x1 = x2. Thus, any vector of the form [t, t] where t is any non-zero constant will be an eigenvector corresponding to λ=0.

For λ=2, we have:

(A - 2I)x = 0

[-1  -1] [x1]   [0]

[ 1  -1] [x2] = [0]

This gives us the equation x1 + x2 = 0. Thus, any vector of the form [t, -t] where t is any non-zero constant will be an eigenvector corresponding to λ=2.

Therefore, a linearly independent pair of solutions is:

x1 = [1, 1], corresponding to λ=0

x2 = [1, -1], corresponding to λ=2

So the general solution to the system of equations is:

x(t) = c1*[1, 1]*exp(0*t) + c2*[1, -1]*exp(2*t)

where c1 and c2 are constants.

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Therefore, the regular price of the shirt should be $52.94 to allow the manager to make a $10 profit after selling the shirt at a 15% discount.

Let's denote the regular price of the shirt as x. The selling price of the shirt after a 15% discount would be (1-0.15)x = 0.85x. The profit made by the manager after selling the shirt would be:

Profit = Selling price - Cost price

Profit = 0.85x - 35

We want the profit to be $10, so we can set up the equation:

0.85x - 35 = 10

Solving for x, we get:

0.85x = 45

x = 52.94 (rounded to the nearest cent)

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The probability of Event 1 is 5/36 and the probability of Event 2 is 1/2.

The probability of each of the given events is determined by comparing the outcomes of the rolling of two dies:

There are 6 * 6 = 36 possible outcomes

Event 1: The sum is greater than 8.

There are 5 outcomes where the sum is greater than 8.

P(Event 1) = 5/36

Event 2: The sum is divisible by 2.

There are 18 possible outcomes where the sum is divisible by 2.

The probability of this event will be:

P(Event 2) = 18/36

P(Event 2) = 1/2

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The statement "p --> q ^ r" can be interpreted in two ways, depending on which connective has dominance.

If the dominance is on the conditional connective (-->) then the statement means "If p, then both q and r are true." In this case, the statement (p --> q ^ r) is different from (p --> q) ^ r, which means "If p, then q is true, and r is true separately."

On the other hand, if the dominance is on the conjunction connective (^), then the statement means "Both q and r are true, given that p is also true." In this case, (p --> q ^ r) is equivalent to (p --> q) ^ r, because the dominance is on the conjunction connective in both cases.

So, the answer to the question is: It depends on which connective has dominance. If the dominance is on the conditional connective (-->) then the statement is false, but if the dominance is on the conjunction connective (^), then the statement is true.
The statement "Using the dominance of connectives, p --> q ^ r means (p --> q) ^ r" is false. Here's the explanation:

In propositional logic, the "dominance" of connectives refers to the order of precedence among logical connectives when evaluating expressions. The common order of precedence is:

1. Negation (~)
2. Conjunction (^)
3. Disjunction (v)
4. Implication (-->)
5. Biconditional (<-->)

In your given expression, p --> q ^ r, the connectives present are Implication (-->), and Conjunction (^). According to the order of precedence, Conjunction (^) has higher precedence than Implication (-->). Therefore, the expression should be evaluated in the following manner:

p --> (q ^ r)

Thus, the original statement that p --> q ^ r means (p --> q) ^ r is incorrect, as the correct interpretation of the expression is p --> (q ^ r).

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We have 792 ways to pick five students for the student council from a group of twelve candidates.

We will use the combination formula, which is nCr = n! / r!(n - r)! is find  number of ways to pick five students.

In this case, we want to choose 5 students from 12 candidates:

12C5 = 12! / 5!(12 - 5)!

12C5 = (12 × 11 × 10 × 9 × 8) / (5 × 4 × 3 × 2 × 1)

12C5 = 95040 / 120

12C5 = 792

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The perimeter of the blue shape is 21.42 as the measure of one identical arc length calculated to be 4.71

Arc length = (central angle / 360) x (2 x π x radius)

length of one identical arc = (90/360) x (2 x 22/7 x 3)

length of one identical arc = 33/7

length of one identical arc = 4.71

The perimeter of the blue shape = 2(4.71) + 2(6)

The perimeter of the blue shape = 9.42 + 12

The perimeter of the blue shape = 21.42

Therefore, the perimeter of the blue shape is 21.42 as the measure of one identical arc length calculated to be 4.71

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Answer:

equal to twice the angle subtended by the same arc at any point on the circumference of the circle. This is known as the central angle of the arc.

Step-by-step explanation:

chatgpt

bardAI

Answer:

AB/EF = BC/FG = CD/GH = DA/HE = 1/2

Step-by-step explanation:

Ratio of corresponding sides is equal so the quadrilaterals are similar.