PLS PLS PLS PLS PLS PLS

Answer:

5 and 6.

Step-by-step explanation:

5^2 = 25 and 6^2= 36

As we know, 32 is between 25 and 36, therefore √32 is between √25 and √36.

It is an inferential technique that uses the data from a sample to draw inferences about a population.

Hypothesis testing is a type of statistical hypothesis that uses data from a sample to draw judgments about a population parameter or a population probability distribution.

First, an uncertain hypothesis is made about the parameter or distribution. This is named the null hypothesis and is denoted by \(H_{O}\). An alternative hypothesis (denoted \(H_{a}\)), which is the opposite of the null hypothesis, is then described.

The hypothesis-testing process involves using sample data to decide whether or not \(H_{0}\) can be rejected. If \(H_{O}\) is rejected, the statistical determination is that the alternative hypothesis \(H_{a\) is true.

Hence, the correct answer is c.

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--The given question is incorrect; the correct question is

"A hypothesis test is

a. a descriptive technique that allows researchers to describe a sample

b. a descriptive technique that allows researchers to describe a population

c. an inferential technique that uses the data from a sample to draw inferences about a population

d. an inferential technique that uses information about the population to make predictions about a sample"--

Answer:

x = 14/3

y = 16.3333333333

Step-by-step explanation:

Step 1. equal them to each other and solve for x

2x + 7 = 5x - 7

5x - 2x = -14

3x = 14

x = 14/3

Step 2. Plug in the value of x and solve for y

y = 5x - 7

y = 16.3333333333

tadah!

Answer:

x= 14/3

y= 49/3

Step-by-step explanation:

y= 2x+7

y= 5x-7

-2x + y = +7

(-5x + y = -7) * (-1)

-2x + y = +7

+5x - y = +7

3x +0y= 14

3x= 14

x= 14/3

replace x in any equation from these 2:

y= 2x+7

y= 5x-7

ill chose this :

y= 2x+7

y= 2(14/3) +7

y= 49/3

Answer:

C

Step-by-step explanation:

10 is the y-intercept and it is positive

Answer:

C

Step-by-step explanation:

C, The graph would have a positive y-intersection

Multicollinearity occurs when independent variables in a regression model are correlated.

Multicollinearity is a statistical concept that describes the correlation of several independent variables in a model. If the correlation coefficient between two variables is +/- 1.0, they are considered perfectly collinear. When independent variables are multicollinear, statistical inferences are less reliable.
Multicollinearity is a problem because it undermines an independent variable's statistical significance. Other things being equal, the larger a regression coefficient's standard error, the less likely it is that this coefficient will be statistically significant.
When two or more predictors in a regression model are moderately or highly correlated with one another, multicollinearity exists. Unfortunately, it can wreak havoc on our analysis, limiting the research conclusions we can draw.

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The required solutions of the given equation are x = 30 or x < -50.

We can solve the equation by isolating the absolute value expression on one side and then solving for x.

First, we add 6 to both sides to get:

| x/5 + 2 | = 8

Next, we can split the equation into two cases, one where x/5 + 2 is positive and one where it is negative.

Case 1: x/5 + 2 ≥ 0

In this case, we can remove the absolute value bars and solve for x:

x/5 + 2 = 8

Subtracting 2 from both sides gives:

x/5 = 6

Multiplying both sides by 5 gives:

x = 30

So one solution is x = 30.

Case 2: x/5 + 2 < 0

In this case, we can also remove the absolute value bars but we need to flip the inequality when we do so:

-(x/5 + 2) = 8

Simplifying, we get:

-x/5 - 2 = 8

Subtracting 2 from both sides gives:

-x/5 = 10

Multiplying both sides by -5 (and remembering to flip the inequality) gives:

x < -50

So the solutions in this case are all x such that x < -50.

Putting the solutions from both cases together, we get:

x = 30 or x < -50.

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This is the required final answer  Emily spends $300y/x  and Andy spends $432y/x for wire.

The answer provided below has been developed in a clear step-by-step manner.

1 foot =12 inches

1 yard=36 inches

Emily needs (25×12)=300 inches wire

and Andy needs (12×36)=432inches wire

As the cost for x inches wire is $y

cost for a 1-inch wire is $x/y

So, the cost for 300 inches of wire is $300y/x

cost for 432 inches of wire is $432y/x

so, Emily spends $300y/x

and Andy spends $432y/x for wire.

More than 20 different currencies go by the name dollar. The Australian dollar, Brunei dollar, Canadian dollar, Hong Kong dollar, Hogan dollar, Jamaican dollar, Liberian dollar, Namibian dollar, New Taiwan dollar, New Zealand dollar, Singapore dollar, United States dollar, Trinidad and Tobago dollar, and a number of others are among them. Like many nations that use the peso as their currency, the majority of those currencies are denoted by the dollar sign $.

The word "dollar" is a translation of the German word "thaler," which means "person or thing from the valley" in English. America's monetary unit is called after the "thaler," the name given to the first silver mine-produced coins, which were initially coined in Joachimsthal, Bohemia, in 1519.

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Answer:

I. y = |x + 4|

Step-by-step explanation:

The area of the region bounded by the parabola y=2-x^2, and the lines x-y=0 and 2x-y=0 is 2.667 square units.


To find the area, we set up a double integral over the given region. The region is bounded by the curves y=2-x^2, x-y=0, and 2x-y=0. We need to determine the limits of integration for x and y. The parabola intersects the x-axis at x=-2 and x=2.

The line x-y=0 intersects the parabola at x=-1 and x=1. The line 2x-y=0 intersects the parabola at x=-√2 and x=√2. Therefore, the limits for x are -√2 to √2, and the limits for y are x-y to 2-x^2. Integrating the constant 1 over these limits, we obtain the area as approximately 2.667 square units.

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Answer: This is a quadratic function in standard form:

f(x) = x^2 - 10x + 9

The vertex form of a quadratic function is given by:

f(x) = a(x - h)^2 + k

where (h, k) is the vertex of the parabola.

To rewrite the given function in vertex form, we need to complete the square:

f(x) = x^2 - 10x + 9

= (x - 5)^2 - 16

Now we can see that the vertex is at (5, -16) and the axis of symmetry is x = 5.

To find the x-intercepts, we set y = 0:

0 = (x - 5)^2 - 16

16 = (x - 5)^2

±4 = x - 5

x = 1 or x = 9

Therefore, the x-intercepts are (1, 0) and (9, 0).

To find the y-intercept, we set x = 0:

f(0) = 9

Therefore, the y-intercept is (0, 9).

The graph of the function is a parabola that opens upward with vertex at (5, -16), x-intercepts at (1, 0) and (9, 0), and y-intercept at (0, 9).

Step-by-step explanation:  

the vertex is at (5, -16)

y-intercept is (0, 9).

the x-intercepts are (1, 0) and (9, 0).

axis of symmetry is x = 5

the range of the function is all real numbers greater than or equal to -16. In interval notation, we can write this as [-16, ∞).

the domain of the given function f(x) = x^2 - 10x + 9 is all real numbers.

the best would be the first choice because it's 7 dollars less than the second choice

An estimate of DEF Company's cost of equity is 7.14%.

To estimate the cost of equity, we can use the dividend growth model. The formula for the cost of equity (Ke) is: Ke = (Dividend per share / Current share price) + Growth rate

Given data:

The cost of equity iss:

Ke = ($0.55 / $16) + 0.037

Ke ≈ 0.034375 + 0.037

Ke ≈ 0.071375.

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Both the cost of equity and the cost of preferred stock play important roles in determining a company's overall cost of capital and the required return on investment for different types of investors.

To estimate DEF Company's cost of equity, we need to calculate the dividend growth rate and use the dividend discount model (DDM). The cost of preferred stock can be found by dividing the fixed dividend by the current price of the preferred stock.

The calculations will provide the cost of equity and cost of preferred stock as percentages.

To estimate DEF Company's cost of equity, we use the dividend growth model. First, we calculate the expected dividend for the next year, which is given as $0.55 per share.

Then, we calculate the dividend growth rate by taking the expected growth rate of 3.7% and converting it to a decimal (0.037). Using these values, we can apply the dividend discount model:

Cost of Equity = (Dividend / Current Share Price) + Growth Rate

Plugging in the values, we get:

Cost of Equity = ($0.55 / $16) + 0.037

Calculating this expression will give us the estimated cost of equity for DEF Company as a percentage.

To calculate the cost of preferred stock, we divide the fixed dividend per share ($1.8) by the current price per share ($27.6). Then, we multiply the result by 100 to convert it to a percentage.

Cost of Preferred Stock = (Fixed Dividend / Current Price) * 100

By performing this calculation, we can determine DEF Company's cost of preferred stock as a percentage.

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Answer:

When you multiply two numbers with different signs (positive and negative), the result is always negative.

This can be understood in terms of the basic properties of multiplication and the fact that a negative number is essentially the opposite of a positive number. When you multiply a positive number by a positive number, the result is positive because both numbers are pointing in the same direction along the number line. When you multiply a negative number by a negative number, the result is also positive because both numbers are pointing in the opposite direction along the number line, and multiplying them together "flips" them back to the positive side. However, when you multiply a positive number by a negative number, the two numbers are pointing in opposite directions along the number line, and so their product is negative.

Therefore, the rule for multiplying two numbers with different signs is that the product is always negative.

Step-by-step explanation:

Answer: -2 1/16

if you add it all together it  should be 2 1/16

hoped this helped let me know if it did

Answer:

TSA of a cylinder = 2*pi*r(r+h)

Pi=22/7

TSA=2*22/7*7(7+10)

TSA=748 sq.cm

Step-by-step explanation:

The surface area of the given cylinder is 238π square centimeters

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

Given that a cylinder with radius 7 centimeters and height 10 centimeters.

r = 7 cm

h = 10 cm

Surface area formula is 2πrh+2πr²

SA=2π×7×10 + 2π(7)²

=140π + 98π

=238π

Hence, the surface area of the given cylinder is 238π square centimeters

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Answer:

x = -4

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

x = -4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

Step 2: Subtract 5 from both sides.

Step 3: Divide both sides by -7.

Step 4: Check if solution is correct.

Therefore, x = -4.

Answer: Scalene Triangle

Step-by-step explanation:

Answer:

Scalene Triangle

Step-by-step explanation:

Scalene Triangle: All sides are different

Isosceles Triangle: 2 sides are the same

Equilateral Triangle: All sides are the same.

Answer:

p(-2) = -11

p(0) = -3

p(5) = 17

Step-by-step explanation:

Think of p(x) as a y.  Just substitute the x values into the equation, and with some basic algebra, you should get your answer

p(-2) = -3 + (-8) = -11

p(0) = -3 + 0 = -3

p(5) = -3 + 20 = 17

Answer:

i think its 0.43 but im not sure i hope this helps

Step-by-step explanation:

Answer:13/29

Step-by-step explanation:

\text{Fill out totals:}

Fill out totals:

Has a brother Does not have a brother Total

Has a sister 7 14 21

Does not have a sister 6 2 8

Total 13 16 29

\text{Number of students with a brother: 13}

Number of students with a brother: 13

\text{Number of students in the class: 29}

Number of students in the class: 29

\text{Probability: }\frac{13}{29}

Probability:  

29

13

​

The computation shows that the value of b will be 91.864.

From the information given, we are told to find the value of b (b - 4.21 = 87.654). This will be:

b - 4.21 = 87.654

b = 87.654 + 4.21

b = 91.864

Also. dividing 1.86 and 8.4 will be:

= 1.86/8.4

= 0.2213

Therefore, the values are 91.864 and 0.2213.

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Answer:

Without additional context or information, it's difficult to determine the missing side length with certainty. However, we can use some logical reasoning to make an educated guess.

One possible way to approach this problem is to look for relationships between the known side lengths and the missing side length. For example, we can look at the lengths of the sides that are adjacent to the missing side and see if there are any patterns or ratios that might help us determine the length of the missing side.

In this case, we can see that the missing side is adjacent to sides with lengths of 8 and 9, which have a difference of 1. If we assume that the sides of the figure form a regular pattern or sequence, then we might guess that the missing side has a length that is 1 greater than 9, which would give us a length of 10 for the missing side.

However, this is just a guess based on the limited information provided, and there could be other possible solutions depending on the specific properties or context of the figure.

To the nearest ten dollars, there would be approximately $81,329 in the account after 11 years.

To calculate the future value of an investment with compound interest, we can use the formula:

FV = P(1 + r/n)^(nt)

Where:

FV = Future value

P = Principal amount (initial investment)

r = Annual interest rate (as a decimal)

n = Number of times interest is compounded per year

t = Number of years

In this case:

P = $60,000

r = 3.4% = 0.034 (as a decimal)

n = 365 (daily compounding)

t = 11 years

Plugging in these values, we can calculate the future value (FV):

FV = $60,000 * (1 + 0.034/365)^(365*11)

Calculating this expression, we find:

FV ≈ $60,000 * (1.000093835)^40015 ≈ $81,329.20

Therefore, to the nearest ten dollars, there would be approximately $81,329 in the account after 11 years.

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Answer:

x = - 71

Step-by-step explanation:

-11x -44 + 10 x =27

-x = 71

x = - 71

Answer:

-71

Step-by-step explanation:

You can first distribute the numbers in the parenthesis.

-11x-44 (-11*x-11*4)

-11x-44+10x=27

You can now combine like terms.

-11x+10x=-1x

-1x-44=27

This is now a two-step equation problem.

-1x-44=27

    +44=+44

     -1x=71

       \(\frac{-1x}{-1}\) =\(\frac{71}{-1}\)

x=-71

To solve for y we will have to simply replace the value of x and the solution we write it in the equivalent palce for y, that is:

For x = -5:

For x = -2:

For x = 0:

For x = 3:

Answer:

20ft^2

Step-by-step explanation:

The length is currently three feet, if you add two feet to three that makes five feet. Five times four is twenty.

I hope this helps!

Answer:

\(20 ft^{2}\)

Step-by-step explanation:

A rectangle's formula for area is:

\(Area=L(w)\)

Let's use the formula to find the area first.

Multiply the Length and Width:

3 · 4 = 12.

12 is our area for the previous rectangle.

Our new rectangle has a length of 3+2, and a width of 4.

Let's use the formula again to find the area of our new rectangle.

Multiply 5 by 4:

5 · 4 = 20.

The area of the new rectangle is \(20ft^{2}\)

Answer:

It would be B -5/3 or -1 2/3

Step-by-step explanation:

Answer:

\(\frac{4}{5}\)

Step-by-step explanation:

A fraction is in simplest form when no other factor but 1 will divide into the numerator/ denominator

\(\frac{5}{10}\) ← divide numerator/ denominator by 5

=\(\frac{1}{2}\)

\(\frac{4}{5}\) ← is in simplest form

\(\frac{6}{10}\) ← divide numerator/denominator by 2

= \(\frac{3}{5}\)

\(\frac{8}{12}\) ← divide numerator/denominator by 4

= \(\frac{2}{3}\)

\(\frac{4}{5}\) is the only fraction given in simplest form

Answer:

There is a 38% chance at least 1 was blue

Step-by-step explanation:

there are 8 marbles total 3 being blue. 3/8= .375 = 38%

The probability of getting at least 1 blue marble in the given situation is 0.375, i.e., 37.5%.

Probability is the ratio of favorable outcomes to the total number of outcomes.

It is given that there are 3 blue and 5 red marbles in the bag.

Therefore, the total number of marbles in the bag is 8.

Let's take two scenarios, one when one blue marble and one red marble are drawn and the second one when both marbles drawn are blue.

Let B and R be the events of drawing a blue marble and red marble, respectively.

Case 1:

The probability of getting one blue and one red marble is calculated as follows:

\(P(B =1, R=1) = \dfrac{3}{8}\times\dfrac{5}{7}\)

                          \(= \dfrac{15}{56}\)

Note that the replacement is prohibited.

Case 2:

The probability of getting two blue marbles is calculated as follows:

\(P(B =2) = \dfrac{3}{8}\times\dfrac{2}{7}\)

               \(= \dfrac{6}{56}\)

The probability of getting at least 1 blue marble is given as follows:

\(P(B\ge1) = P(B =1, R=1) + P(B =2)\)

               \(= \dfrac{15}{56}+ \dfrac{6}{56}\\= \dfrac{21}{56}\\=\dfrac{3}{8}\\= 0.375\)

Therefore, the probability of getting at least a blue marble is 0.375.

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