a multiple regression model has the form . as x1 increases by 1 unit (holding x2 constant), is expected to increase by how many units?

Answers

Answer 1

Y is expected to increase by 2 units.

What is Multiple Regression ?

A single dependent variable and several independent variables can be analyzed using the statistical technique known as multiple regression. In order to forecast the value of the single dependent value, multiple regression analysis uses independent variables whose values are known.

In a multiple regression, the impact of numerous explanatory variables on a particular outcome is taken into account. When all other factors in the model are kept constant, it assesses the relative impact of these independent or explanatory variables on the dependent variable.

Multiple regression model =>

[tex]Y = 7 + 2x_1 + 9x_2[/tex]

So, here coefficient of [tex]x_1[/tex] is 2 this means that as x 1 increases by 1 unit holding x 2 constant , y is expected to increase by 2 units.

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The given question is incomplete, complete question is:

A multiple regression model has the form Y = 7 + 2x1 + 9x2

As x1 increases by 1 unit (holding x2 constant), y is expected to O a. increase by 2 units O b. increase by 9 units O c. decrease by 9 units O d. decrease by 2 units


Related Questions

2 pints
4 quarts
gallon
gallon
1
16
8 cups
19 quart
1 gallon
B
1 quart
2
(FO
>
1 cup
(0
(W)
None
D
ee

Answers

The answer to the given question is You have a total of 40 cups.

How to solve

Convert each measurement to cups:

2 pints = 4 cups (1 pint = 2 cups)

4 quarts = 16 cups (1 quart = 4 cups)

1 gallon = 16 cups (1 gallon = 4 quarts = 16 cups)

1 quart = 4 cups

Add up the total cups:

4 cups (from 2 pints) + 16 cups (from 4 quarts) + 16 cups (from 1 gallon) + 4 cups (from 1 quart) = 40 cups

Answer: You have a total of 40 cups.

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If you have 2 pints, 4 quarts, 1 gallon, and 1 quart, how many total cups do you have?

a work system has five continuous stations that have process times of 5, 8, 4, 7, and 8 min/unit respectively. what is the process time of the system?

Answers

The process time of the system is 32 min/unit.

bianca runs a fruit store.she startied thursday with 14 pear brainlys in stock.duriiiing th eday,she sold 11 pears and goat a shipment contained 4 times as many pears as she started the day with

Answers

Answer: Bianca runs a fruit store. She started Thursday with 14 pears in stock. During the day, she sold 11 pears and got a shipment containing 4 times as many pears as she started the day with. This means that Bianca received a shipment of 14 * 4 = 56 pears. By the end of the day, Bianca had 14 - 11 + 56 = 59 pears in stock

Which expressions represent “the sum of 3 and n”?

Select all that apply

Answers

Answer:

Step-by-step explanation:

a- 3+n

Answer:

First option and Second option

Step-by-step explanation:

Hope it helps. Happy Easter Tuesday. Have a great day.

please help with these 3!

Answers

The pounds of marbles that Marco will need will be 357 pounds.

What is ratio?

Ratio refers to the quantitative relationship between two or more values or quantities. It expresses the proportion of one quantity to another, typically using a colon or a slash to separate the two values. For example, a ratio of 2:1 would indicate that one value is twice as large as the other.

Ratios are often used in mathematics, finance, and other fields to compare values and make decisions based on their relationships.

The pounds of marbles that Marco will need will be:

= 21 + 56 + 77 + 98 + 105

= 357

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Helppp
Please
I need help

Answers

According to the information, the surface area of the first prism is 795 cm², sencond prism is 843 in², and the cylinder is 3775.87 mm²

How to find the surface area of two triangular prims?

To find the surface area of two triangular prisms, we need to add the surface area of each prism. We can use the formula we found in the previous question to calculate the surface area of each triangular prism:

Surface area of first triangular prism = 2(0.5 x base x height) + perimeter x height

where base is the width of the triangular face, height is the height of the triangular face, and perimeter is the sum of the lengths of the three sides of the triangular face.

In this case, the first triangular face has a base of 9 cm, a height of 16 cm, and a perimeter of (9+15+12)=36 cm. Therefore, the area of each triangular face is:

0.5 x 9 cm x 16 cm = 72 cm²

The rectangular faces have dimensions of 9 cm x 15 cm, 15 cm x 16 cm, and 9 cm x 16 cm. Therefore, the area of each rectangular face is:

9 cm x 15 cm = 135 cm²

15 cm x 16 cm = 240 cm²

9 cm x 16 cm = 144 cm²

The total surface area of the first triangular prism is:

2(72 cm²) + (135 cm² + 240 cm² + 144 cm²) = 795 cm²

Similarly, for the second triangular prism, we have:

Surface area of second triangular prism = 2(0.5 x base x height) + perimeter x height

where base is the width of the triangular face, height is the height of the triangular face, and perimeter is the sum of the lengths of the three sides of the triangular face.

In this case, the second triangular face has a base of 8 in, a height of 15 in, and a perimeter of (8+15+20)=43 in. Therefore, the area of each triangular face is:

0.5 x 8 in x 15 in = 60 in²

The rectangular faces have dimensions of 8 in x 21 in, 15 in x 21 in, and 8 in x 15 in. Therefore, the area of each rectangular face is:

8 in x 21 in = 168 in²

15 in x 21 in = 315 in²

8 in x 15 in = 120 in²

The total surface area of the second triangular prism is:

2(60 in²) + (168 in² + 315 in² + 120 in²) = 843 in²

Therefore, the surface area of two triangular prisms is:

795 cm² + 843 in² = 795 cm² + (843 in² x 6.452 cm²/in²) ≈ 5508 cm²

For the cylinder, we can use the formula we found in the previous question to calculate the surface area:

Surface area of cylinder = 2πr² + 2πrh

where r is the radius of the circular face, h is the height of the cylinder.

In this case, the radius is 14 mm and the height is 29 mm. Therefore, the surface area of the cylinder is:

2π(14 mm)² + 2π(14 mm)(29 mm) = 2π(14 mm)(43 mm) ≈ 3775.87 mm²

Therefore, the surface area of two triangular prisms and a cylinder is approximately:

5508 cm² + 3775.87 mm² = 5508 cm² + (3775.87 mm² x 0.01 m²/mm²) ≈ 5885.47 cm²

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for a certain type of hay fever, medicine h has a 30% probability of working. in which distributions does the variable x have a binomial distribution? select each correct answer.

Answers

The distribution in which variable x has binomial distribution are as follow,

Option A) When the medicine is tried with two patients, X is the number of patients for whom the medicine worked.

Option D) When the medicine is tried with six patients, X is the number of patients for whom the medicine worked.

When the medicine is tried with two patients, X is the number of patients for whom the medicine worked.

This variable X follows a binomial distribution .

Because there are two independent trials two patients.

With a constant probability of success 30%.

And the outcome of one trial doesn't affect the outcome of the other.

When the medicine is tried with six patients, X is the number of patients for whom the medicine does not work.

This variable X does not follow a binomial distribution.

Because the probability of success is not constant it's the complement of 30%, which is 70%.

Also, the outcome of one trial affects the outcome of the other trials.

As there are only six patients .

Number of patients for whom medicine does not work depends on number of patients for whom it worked.

When the medicine is tried with six patients, X is the number of patients for whom the medicine worked.

This variable X follows a binomial distribution.

Because there are six independent trials six patients with a constant probability of success (30%) .

The outcome of one trial doesn't affect the outcome of the other.

When the medicine is tried with two patients, X is the number of doses each patient needs to take.

This variable X does not follow a binomial distribution.

Because it's not a count of successes out of a fixed number of independent trials.

But rather a continuous variable that can take any non-negative value.

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The above question is incomplete, the complete question is:

For a certain type of hay fever, Medicine H has a 30% probability of working.

In which distributions does the variable X have a binomial distribution?

Select EACH correct answer.

A. When the medicine is tried with two patients, X is the number of patients for whom the medicine worked.

B. When the medicine is tried with six patients, X is the number of patients for whom the medicine does not work.

C. When the medicine is tried with six patients, X is the number of patients for whom the medicine worked.

D. When the medicine is tried with two patients, X is the number of doses each patient needs to take.

Find the base area (B), lateral area (L) and surface area (S) of the solid. Round to the
nearest tenth, if necessary.
10.4 cm
B = 96
L =
12 cm
S=
12 cm
12 cm
8 cm
cm²
cm²
cm²

Answers

The base, lateral area and surface area is B = 96 cm², L = 499.2 cm²,S = 691.2 cm²

What is Lateral Area ?

The lateral area for the triangular prism is the sum of all three areas. Thus, the formula for lateral area of triangular prism, Lateral surface area of triangular prism (LSA) = ah + bh + ch (or) (a + b + c) h.

To find the lateral area (L) of this solid, we need to calculate the area of the four rectangles that make up the sides of the solid. Since each rectangle has a height of 10.4 cm and a width of 12 cm, the area of one rectangle is:

A = 10.4 cm * 12 cm = 124.8 cm²

Since there are four rectangles, the total lateral area is:

L = 4 * A = 4 * 124.8 cm² = 499.2 cm²

To find the surface area (S) of the solid, we need to add the lateral area to the area of the two circular bases. The base area is given as 96 cm², so the area of both bases is:

A = 2 * 96 cm² = 192 cm²

Therefore, the total surface area is:

S = L + A = 499.2 cm² + 192 cm² = 691.2 cm²

Rounding to the nearest tenth, we have:

B = 96 cm²

L = 499.2 cm²

S = 691.2 cm²

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since we are comparing the start and end weights of the ferrets, this would be [ select ] data. b. what parameter are we trying to estimate?

Answers

This data would be considered "paired" data.

The population of ferrets from which our sample was drawn, represented as μd, where μd = μend - μstart, and μ represents the population mean.

What type of data would comparing ?

       We are dealing with "paired" data since we are comparing the weights of the same ferrets at two different points in time.

how is this parameter represented symbolically?

      The parameter we are trying to estimate is the mean difference in weight between the start and end of the study for the population of ferrets from which our sample was drawn.

This mean difference in weight can be represented as μd, where μd = μend - μstart, and μ represents the population mean. To estimate this parameter, we would need to calculate the difference in weight for each ferret and then take the average of these differences. This estimate would then provide us with an understanding of how much, on average, the ferrets in the population have gained or lost weight over the course of the study.  

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Help please? I just need an answer. A clear explanation earns brainliest. this is a repost since i posted the wrong photo last time.

Answers

Answer: x^2+2x-7/x-1

if all of the scores in the population are transformed into z-scores, what will be the values for the mean and standard deviation for the complete set of z-scores?

Answers

The Mean of the dispersion of z-scores will be 0, and the standard deviation will be 1. 

On the off chance that all of the scores within the populace are changed into z-scores, at that point the coming about the conveyance of z-scores will have a cruel (mean) of and a standard deviation of 1.

Usually, since the change of a crude score x to a z-score is given by:

z = (x - μ) / σ

where μ is the populace Mean.

and σ is the populace standard deviation.

When all scores within the populace are changed to z-scores, the Mean of the coming about dispersion of z-scores will be:

( Mean of z-scores)

= [(Mean  of crude scores) - μ] / σ

= (μ - μ) / σ =

So also, the standard deviation of the dissemination of z-scores will be:

(standard deviation of z-scores) = (standard deviation of crude scores) / σ = σ / σ = 1

In this manner,

The cruel of the dispersion of z-scores will be 0, and the standard deviation will be 1. 

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If all of the scores in the population are transformed into z-scores, the values for the mean and standard deviation for the complete set of z-scores will be a mean of 0 and a standard deviation of 1.

This is because the process of transforming scores into z-scores involves subtracting the mean of the population and dividing by the standard deviation, which effectively standardizes the data to have a mean of 0 and a standard deviation of 1. When all the scores in a population are transformed into z-scores, the mean of the complete set of z-scores will be 0 and the standard deviation will be 1. This is because z-scores represent the number of standard deviations a value is from the mean, and the transformation standardizes the distribution.

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a random sample of 380 found that 67% of the readers owned a personal computer. find the value of the test statistic. round your answer to two decimal places.

Answers

The value of the test statistic is 6.51.

The test statistic for this problem can be calculated using the formula:

z = (p - P) / √(P * (1 - P) / n)

Where p is the sample proportion (0.67 in this case), P is the hypothesized population proportion (we don't know this value, so we assume it to be 0.5 for a two-tailed test), n is the sample size (380), and z is the standard normal distribution value corresponding to the level of significance.

Plugging in the values, we get:

z = (0.67 - 0.5) / √(0.5 * (1 - 0.5) / 380) = 6.51

So the value of the test statistic is 6.51.

The test statistic is a measure of how far the sample proportion deviates from the hypothesized population proportion under the null hypothesis. In this case, we assume that the population proportion is 0.5 (since we have no reason to believe otherwise), and we calculate the probability of observing a sample proportion of 0.67 or greater assuming this null hypothesis is true.

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A rectangle with dimensions 6 cm and w cm is partitioned into two smaller rectangles.

Explain why each of these expressions represents the area, in cm2, of the shaded region.

Answers

The  Area of shaded region is  6 (w- 4).

We have,

length= w unit

shorter length = 4 unit

width = 6 unit

So, Area of larger rectangle

= l w

= 6 x  w

and, Area of smaller rectangle

= l w

=  6 x 4

= 24 cm²

So, the Area of shaded region

= 6w - 24

= 6 (w- 4)

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The following numbers appear in a table of random digits:38683 50279 38224 09844 13578 28251 12708 24684A scientist will be measuring the total amount of leaf litter in a random sample (n =5) of forest sites selected without replacement from a population of 45 sites. The sites are labeled 01, 02, . . . ,45 and she starts at the beginning of the line of random digits and takes consecutive pairs of digits. Which of the following is correct?A) Her sample is 38, 25, 02, 38, 22B) Her sample is 38, 68, 35, 02, 22C) Her sample is 38, 35, 27, 28, 08D) Her sample is 38, 65, 35, 02, 79E) Her sample is 38, 35, 02, 22, 40

Answers

The correct answer is B) Her sample is 38, 68, 35, 02, 22. This is because the scientist is selecting a random sample of 5 forest sites from a population of 45 without replacement. She is using consecutive pairs of digits from the table of random digits to select her sample.

Starting at the beginning of the line of random digits, the first pair is 38, which corresponds to forest site 38. The second pair is 68, which corresponds to forest site 68. The third pair is 35, which corresponds to forest site 35. The fourth pair is 02, which corresponds to forest site 02. And the fifth pair is 22, which corresponds to forest site 22.
Now, let's select a random sample of 5 forest sites without replacement:
1) 38
2) 35
3) 02
4) 22
5) 24
Thus, the correct answer is not listed in the given options. However, based on the consecutive pairs of digits and following the process mentioned, the sample should be 38, 35, 02, 22, and 24.

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7(x + 2) = 7x + 14 how many solutions are there

Answers

When we simplify the left-hand side of the equation 7(x + 2), we get:

7(x + 2) = 7x + 14

Expanding the brackets, we get:

7x + 14 = 7x + 14

Notice that the simplified left-hand side and the right-hand side are exactly the same. This means that the equation is an identity and it is true for all values of x.

So, there are infinitely many solutions to the equation 7(x + 2) = 7x + 14.
Answer: infinitely many solutions.

Explanation:

Let's solve the equation:

7(x + 2) = 7x + 14

Distribute the 7 on the left side:

7x + 14 = 7x + 14

Now, subtract 7x from both sides:

14 = 14

Since this equation is true for any value of x, there are infinitely many solutions.

3.27 underage drinking, part ii: we learned in exercise 3.25 that about 69.7% of 18-20 year olds consumed alcoholic beverages in 2008. we now consider a random sample of fifty 18-20 year olds. (a) how many people would you expect to have consumed alcoholic beverages?

Answers

The number of people that would consume  alcoholic beverages is 34.85 people out of the given sample of fifty 18-20 years old.

Let us  take  a random sample of fifty 18-20 year olds

now, it is given to us that 69.7% of 18-20 year olds consumed alcoholic beverages in 2008,

We can utilize this information to evaluate the probability that any one person in the sample of fifty has consumed alcoholic beverages = 0.697.

Now to expected number of individual who have consumed alcoholic beverages in the sample,

Therefore, multiply the probability by the sample size: 0.697 x 50

= 34.85.

The number of people that would consume  alcoholic beverages is 34.85 people out of the given sample of fifty 18-20 years old.

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Find if the table is linear or quadratic or neither

Answers

For table 14, the table is neither.

Option C is correct.

For table 15, the table is neither.

Option C is correct.

How do we calculate?

Table 14:

The difference between 22 and 48 is -26

The difference between 39 and 22 is 17

The difference between 40 and 39 is 1

The difference between 42 and 40 is 2

The difference between 42 and 42 is 0

Because  the differences are not constant, the table is neither linear nor quadratic.

For table 15, we check if the difference in y-values is constant:

The difference between 4 and 1 is 3

The difference between 1 and 1 is 0

The difference between 0 and 1 is -1

The difference between 1 and 4 is 3

The difference between 4 and 9 is 5

The difference between 9 and 16 is 7

Because  the differences between y-values are not constant, the table is neither linear nor quadratic.

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Plot these numbers on the number line: √2, √5, 8, 25, √16.
0
1
2
3
4
5

Answers

The number line has been plotted in the attachment

What is a number line?

A number line is a visual representation of numbers placed in a straight line. It is a tool used in mathematics to illustrate the concept of magnitude and order of numbers. The line is usually drawn horizontally, with zero placed in the middle and positive numbers to the right and negative numbers to the left.

The distance between the numbers on the line represents their magnitude or difference. Number lines are commonly used to teach students about basic arithmetic, fractions, decimals, and other mathematical concepts.

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58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57

If a value of 98° is added to the data, how does the mean change?

The mean increases by 8.2°.
The mean decreases by 8.2°.
The mean increases by 1.4°.
The mean decreases by 1.4°.

Answers

"The mean increases by 8.2°."

What is mean?

The mean is a measure of central tendency that represents the average value of a set of numbers. It is calculated by adding up all the values in the set and dividing by the total number of values.

To find the mean of a set of data, you add up all the values in the set and divide the sum by the number of values in the set.

Let's first find the original mean of the data:

mean =[tex](58 + 61 + 71 + 77 + 91 + 100 + 105 + 102 + 95 + 82 + 66 + 57) / 12[/tex]

mean = [tex]825 / 12[/tex]

mean =[tex]68.75[/tex]

Now, if we add 98 to each value in the set, the new set becomes:

[tex](156, 159, 169, 175, 189, 198, 203, 200, 193, 180, 164, 155)[/tex]

To find the new mean, we add up all the values in the new set and divide the sum by the number of values in the set:

new mean =[tex](156 + 159 + 169 + 175 + 189 + 198 + 203 + 200 + 193 + 180 + 164 + 155) / 12[/tex]

new mean = [tex]2021 / 12[/tex]

new mean = [tex]168.42[/tex]

Therefore, the mean increases by 8.67 degrees (rounded to two decimal places). None of the given answer options are an exact match to this value, but the closest option is "The mean increases by 8.2°."

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"The mean increases by 8.2°."

What is mean?

The mean is a measure of central tendency that represents the average value of a set of numbers. It is calculated by adding up all the values in the set and dividing by the total number of values.

To find the mean of a set of data, you add up all the values in the set and divide the sum by the number of values in the set.

Let's first find the original mean of the data:

mean =(58+61+ 71+ 77+ 91+100+105+102+95+82+66+57)/12

mean = 825/12

mean = 68.75

Now, if we add 98 to each value in the set, the new set becomes:

156,159,169,175,189,198,203,200,193,180,164,155.

To find the new mean, we add up all the values in the new set and divide the sum by the number of values in the set:

new mean = (156+159+169+175+189+198+203+200+193+180+164+155)/12

new mean = 2021/12

new mean = 168.42

Therefore, the mean increases by 8.67 degrees (rounded to two decimal places). None of the given answer options are an exact match to this value, but the closest option is "The mean increases by 8.2°."

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at a booth at the school carnival in past years, they've found that 22% of students win a stuffed toy ($3.60), 16% of students win a jump rope ($1.20), and 6% of students win a t-shirt ($7.90). the remaining students do not win a prize. if 150 students play the game at the booth, how much money should the carnival committee expect to pay for prizes for that booth?: *

Answers

For a percentage data of students who play the different game and win the prize, the expected amount to pay for prizes for that booth by the carnival committee is equals to the $218.70.

We have a booth of school carnival in past years, The percentage of students win a stuffed toy = 22%

The percentage of students win a jump rope = 16%

The percentage of students win a t-shirt

= 6%

The winning amount for stuffed toy game = $ 3.60

The winning amount for jump rope game = $1.20

The winning amount for t-shirt game

= $7.90

The remaining students do not win a prize. Now, total number of students play the game at the booth = 150

So, number of students who win stuffed toy = 22% of 150 = 33

Number of students who win jump rope = 16% of 150 = 24

Number of students who win stuffed toy

= 6% of 150 = 9

For determining the expected pay using the simple multiplication formula. Total expected pay for prizes for that booth is equals to the sum of resultant of multiplcation of number of students who play a particular game into pay amount for that game. That is total excepted pay in dollars = 3.60 × 33 + 1.20 × 24 +7.90 × 6

= 218.7

Hence required value is $218.70.

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

Answers

The sampling technique used is given as follows:

Convenience sampling.

How are samples classified?

A convenient sample is drawn from a conveniently available pool of options, as is the example of the friends of a person.A random sample is equivalent to placing all options into a hat and taking some of them.In a systematic sample, every kth element of the sample is taken.Cluster sampling divides population into groups, called clusters, and each element of the group is surveyed.Stratified sampling also divides the population into groups. However, an equal proportion of each group is surveyed.

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What value would you use for height in the following equation if the question asks what length of time it would take the object to hit the ground?



h(t) = -16t2 +16r + 480

Answers

Solving for "t" gives us:  t = √(480- r)/16

So, we would use a value of zero for "h" in this equation to find the time it takes for the object to hit the ground.

What is equation?

A mathematical equation is a statement that demonstrates the equality of two expressions and typically includes variables, constants, and mathematical operations.

The equal sign (=) separates the two sides, which are labelled as the left-hand side (LHS) and the right-hand side (RHS).

An equation's two main functions are to find the values of the variables that satisfy the equation and to express a relationship between various quantities or variables.

The value of "h" in the equation represents the height of the object at a given time "t". If the question asks for the length of time it would take the object to hit the ground, we need to use the height of the object when it hits the ground, which is zero.

Therefore, we can set h(t) = 0 and solve for "t":

0 = -16t² + 16r + 480

Solving for "t" gives us:

t = √(480- r)/16

So, we would use a value of zero for "h" in this equation to find the time it takes for the object to hit the ground.

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explain whether the two vector-valued functions you found in parts a and c should parameterize the same tangent line

Answers

No, the two vector-valued functions found in parts a and c should not parameterize the same tangent line. The vector-valued function found in part a is a linear function, while the vector-valued function found in part c is a quadratic function. Therefore, the two functions will not parameterize the same tangent line.

a local politician is concerned that a program for the homeless in the city is discriminating against blacks and other minorities. the following data were taken from a random sample of black and white homeless people. race black white received services yes 6 7 13 no 4 9 13 10 16 26 a. is there a statistically significant relationship between race and whether the person received services from the program? b. compute column and row percentages for the table to determine the pattern of the relationship. which group was more likely to receive services in the sample? interpret both the column and row percentages that you have obtained.

Answers

(a) There is no statistically significant relationship between race and receiving services from the program.

(b) Black homeless people were more likely to receive services (60%) than white homeless people (43.75%).

How to find the relationship between race and receiving services?

a. To test whether there is a statistically significant relationship between race and whether the person received services from the program, we can use a chi-squared test of independence.

The null hypothesis is that there is no relationship between race and receiving services, and the alternative hypothesis is that there is a relationship.

Using a chi-squared calculator, we obtain a chi-squared statistic of 0.267 and a p-value of 0.605. Since the p-value is greater than the significance level of 0.05, we fail to reject the null hypothesis and conclude that there is no statistically significant relationship between race and receiving services from the program.

How to find more likely to receive services?

b. To compute column and row percentages, we can first calculate the total number of black and white homeless people who received services and who did not receive services:

Black homeless people who received services: 6/10 = 60%Black homeless people who did not receive services: 4/10 = 40%White homeless people who received services: 7/16 = 43.75%White homeless people who did not receive services: 9/16 = 56.25%

We can also calculate the percentage of all homeless people who received services or did not receive services, by adding up the numbers in each column:

Percentage of homeless people who received services: 13/26 = 50%Percentage of homeless people who did not receive services: 13/26 = 50%

In the sample, black homeless people were more likely to receive services (60%) than white homeless people (43.75%).

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Special Right Triangles (Radical Answers)

The triangle below is equilateral. Find the length of side x in simplest radical form with a rational denominator.

Answers

The triangle is given as equilateral and the length of the perpendicular of the given equilateral triangle is 13.85.

What is  Pythagorean theorem?

It states that the sum of the squares of the two shorter sides of a right triangle is equal to the square of the hypotenuse, the longest side of the triangle. This theorem can be used to determine the length of the sides of a right triangle if two sides are known.

The triangle is given as equilateral. As we know he perpendicular in a equilateral triangle divides a line into to equal parts, so

Base= 8+8

= 16

As it is a equilateral triangle, all the sides will be equal.

Now, we can use the Pythagorean theorem to find the length of the perpendicular, which can be found by using the formula:

16²= 8² + x²

x² = 16²- 8²

x = √192

x = 13.85

Thus, the length of the perpendicular of the given equilateral triangle is 13.85.

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Can someone help me?

Answers

answer

a 17× + 5× + 16 + 7

b 22× + 23

Step-by-step explanation:

the perimeter of a shape is calculated by adding up all the the sides.

part a asks you to use all four lengths so just place them side by side with the addition sign.

in part b you are asked to simplify it so you have to add the like terms. 17× and 15x add up to 22 and 16 and 7 add up to 23.this is the simplest we can go since 22x and 23 are not like terms.

hope this helps :)

Rick is building a sandbox for his cousins in the shape of a parallelogram. When drawn on a coordinate plane, the sandbox has vertices at (-4,0), (-2,6), (4,0), and (2,-6). If every unit represents a foot, what area does the sandbox cover?

~a.) 24ft²
~b.) 36ft²
~c.) 48ft²
~d.) 64ft²

Answers

The area of the sandbox of parallelogram shape is approximately 22.47 square feet. Rounded to the nearest integer, the answer is (a) 24ft².

What is a parallelogram?

A parallelogram is a quadrilateral with two pairs of parallel sides. Opposite sides of a parallelogram are equal in length and parallel to each other. Additionally, opposite angles of a parallelogram are congruent (i.e., have the same measure).

According to the given information

We can choose any side of the parallelogram as the base, and the distance from that side to the opposite side as the height. Let's choose the side between (-4,0) and (-2,6) as the base. The length of this side is the distance between these two points:

√[(-2-(-4))² + (6-0)²] = √40 = 2√10

The height of the parallelogram is the distance between the line containing (-2,6) and (4,0) and the point (2,-6). We can find the equation of the line containing (-2,6) and (4,0) by finding the slope and y-intercept:

Slope: (0-6)/(4-(-2)) = -6/6 = -1

Y-intercept: y = mx + b -> 0 = (-1)(4) + b -> b = 4

Therefore, the equation of the line is y = -x + 4. We can find the distance between this line and the point (2,-6) by substituting x = 2 into the equation and finding the corresponding y-value:

y = -x + 4 = -2

The distance between the line and the point (2,-6) is the absolute value of the difference between the y-coordinate of the point and the y-coordinate of the line:

|(-6) - (-2)| = 4

Therefore, the height of the parallelogram is 4 feet.

The area of the parallelogram is then:

A = base x height = (2√10) x 4 = 8√10

Rationalizing the denominator, we get:

A = 8√10 x √10/√10 = 80/√10 = 80√10/10 = 8√10

Therefore, the area of the sandbox is approximately 22.47 square feet. Rounded to the nearest integer, the answer is (a) 24ft².

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A recipe calls for 3 teaspoons of orange juice. A can of orange juice is 11 FL oz. How many teaspoons of juice are in the can?

Answers

So, the recipe calls for 0.5 FL oz of orange juice. We have more than enough orange juice in one can to make the dish because a can has 11 FL oz.

what is unitary method ?

A mathematical method called the unitary method is used to address proportionality-related issues. It is a technique that entails determining the value of a single unit prior to applying that value to determine the value of any quantity of units. Problems involving ratios et proportions are frequently solved using the unitary technique. The unitary approach can be used to determine the price of any quantity of apples, for instance, if 5 vegetables cost $2. We can build up a proportion to determine how much 10 apples would cost: 5 apples x $2 Equals 10 apples x. where 10 apples cost x dollars.

given

We can start by applying the conversion rule that states that 6 teaspoons (tsp) of liquid equal 1 fluid ounce (FL oz). The following is how we can convert 11 FL oz to teaspoons:

6 teaspoons per FL oz times 11 FL oz equals 66 teaspoons.

Thus, an 11 FL oz can of orange juice has 66 teaspoons of orange juice.

We can also figure out how many cans of orange juice are required for the recipe as it calls for 3 tablespoons of orange juice.

[tex]0.5 FL oz = 3 tsp * 6 tsp/FL oz[/tex]

So, the recipe calls for 0.5 FL oz of orange juice. We have more than enough orange juice in one can to make the dish because a can has 11 FL oz.

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Five balls, A, B, C, D, and E, weigh 30g, 50g, 50g, 50g, and 80g each. Which ball weighs 30g?

Answers

Answer:

Step-by-step explanation:

C

Answer:

  A

Step-by-step explanation:

You want to know which ball weighs 30 g if balls A, B, C, D, E weigh 30, 50, 50, 50, 80 grams.

Correspondence

The given information does not say what the correspondence is between weights and ball designators. If we assume the given order is the same for designators as for weights, then the first letter corresponds to the first weight, and ...

  Ball A weighs 30 g.

__

Additional comment

If there's more to the question, you'd have to use that additional information to decide.

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If two numbers in base six are multiplied, the result is 13305 base six, if one of the numbers is given as 25, find the other numbers

Answers

Answer:

Let the unknown number be x. We are given that 25 multiplied by x in base six equals 13305 base six. We can set up the following equation to solve for x:

25x = 13305

To solve for x, we need to first convert 13305 from base six to base ten. This can be done by multiplying each digit by the corresponding power of six and adding the results:

1 x 6^4 + 3 x 6^3 + 3 x 6^2 + 0 x 6^1 + 5 x 6^0 = 1296 + 648 + 108 + 5 = 2057

Therefore, 13305 base six is equal to 2057 in base ten.

Substituting this value into the equation, we get:

25x = 2057

Solving for x, we get:

x = 2057 / 25

x = 82.28

Since we are working in base six, we need to express x in base six. To do this, we can use long division to convert 82.28 from base ten to base six:

6| 82.28

|-------

1 | 2.28

|-------

3.68

1.13

Therefore, 82.28 in base ten is equivalent to 1131.1 in base six.

Therefore, the other number is 1131.1 base six.

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