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5-142. Use the similar figures at right to answer the questions.

1. What is the scale factor?______

2. Find the lengths of the missing sides on the similar shapes below.

X=______ Y=_______ Z=_____

In Amanda's case, an example of a parameter is the national average income for mechanical engineers.

As a mechanical engineer, Amanda is now seeking employment. Additionally, she is paid in line with both the national average for Mechanical engineers as well as the average for Mechanical engineers in our community. In Amanda's instance, a parameter example is needed, thus that is what the question asks for. The population's traits are referred to as a parameter, whereas the sample's characteristics are referred to as statistics.

Due to its gifts and the information it provided that was close to the average population slurry, it constitutes a parameter here. A representative sample of mechanical engineers is Amanda's city. In Amanda's city, the slurry from a sample is the mechanical engineers' average annual pay. They have therefore taken a representative sample of all the mechanical engineers in the city from the larger population.

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Answer:

a) To determine the monthly mortgage payment, we first need to calculate the amount of the loan, which is equal to the purchase price of the house minus the down payment. In this case, the loan amount is 250,000 * 0.8 = 200,000. Next, we need to calculate the monthly interest rate, which is equal to the annual interest rate divided by 12. In this case, the monthly interest rate is 0.12/12 = 0.01. Using the formula for the monthly mortgage payment (P = L[i(1+i)^n]/[(1+i)^n-1]), where P is the monthly payment, L is the loan amount, i is the monthly interest rate, and n is the number of payments (in this case, 30 years * 12 = 360), we can calculate the monthly payment as:

P = 200,000[0.01(1+0.01)^360]/[(1+0.01)^360-1] = 1326.91

b) To calculate the total amount of interest Ato Liku will pay over the life of the mortgage, we can subtract the original loan amount from the total amount of payments made over the life of the mortgage. In this case, that would be 360 * 1326.91 - 200,000 = 480,596.

c) To determine the amount of the mortgage Ato Liku will have paid after 10 years, we can multiply the monthly mortgage payment by the number of payments made in 10 years (10 years * 12 = 120). In this case, that would be 120 * 1326.91 = 159,223.20.

The number of countries ever visited is a discrete variable. Discrete variables are variables that can only take specific values, rather than any value within a range. The number of countries ever visited can only be a whole number, such as 0, 1, 2, 3, and so on, and not a fraction or decimal.

Pounds of chocolate consumed in the past year is a continuous variable. Continuous variables are variables that can take any value within a range. Pounds of chocolate consumed in the past year can be any value between 0 and a maximum value, such as 0.5, 1.5, 2.7, and so on.

Shoe size is a discrete variable. Shoe size is typically measured in whole numbers, such as 5, 6, 7, 8, and so on, and not in fractions or decimals.

Height in inches is a continuous variable. Height in inches can take any value within a range, such as 60, 61, 62, and so on.

The number of pets currently living in the household is a discrete variable. The number of pets can only be a whole number, such as 0, 1, 2, 3, and so on, and not a fraction or decimal.

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The purple line would be plotted at the level of output $60 billion, and the orange line segments would be plotted at 90, 95, 100, 105, and 110 respectively.

1. Plot the purple line at the level of output $60 billion.

2. Plot the orange line segments at 90, 95, 100, 105, and 110 respectively.

The long-run aggregate supply (RAS) curve is used to represent the natural level of output for an economy. In this case, the natural level of output is $60 billion of real GDP with a price level of 100. Therefore, the purple line should be plotted at the level of output $60 billion on the graph. The short-run aggregate supply (AS) curve is used to show how the level of output reacts to the price level. Therefore, the orange line segments should be plotted at 90, 95, 100, 105, and 110 respectively. This will show how the level of output changes when the price level is different from the natural level. This will help to illustrate how the economy may react when the price level is different than expected.

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The formula for the average hourly compensation of production workers in manufacturing is C = 40.25x + $6.81.

For example, in 1975 (x = 5), the average hourly compensation of production workers in manufacturing was calculated using the formula as follows:

C = 40.25(5) + $6.81

C = $202.81

Therefore, the average hourly compensation of production workers in manufacturing in 1975 was $202.81. The same formula can be used to calculate the average hourly compensation of production workers in manufacturing for any year since 1970.

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Step-by-step explanation:

The correct option is A

Because,

A Binomial is defined as a polynomial containing 2 terms in it.

In option c there are three terms they are x, 2[tex]y^{2}[/tex], -7

In option A There are only two terms That satisfy the definition of binomial.

Answer:

20 for both

Step-by-step explanation:

hope this helps

The walkway encircling the garden has a 64-square-foot area.

The area is the entire amount of space occupied by a flat (2-D) surface or an object's form. On a sheet of paper, draw a square using a pencil. It has two dimensions. The area of a form on paper is the area that it occupies.

Given, A garden is rectangular with a width of 7 feet in a length of 9 feet.

From the general formula of Area:

Area = Length * width

Area of garden = 7 * 9

Area of garden = 63 Square feet

Perimeter of garden = 2(length * width)

Perimeter of garden = 2(7 + 9)

Perimeter of garden = 32

Since a 2 feet wide rectangular sidewalk is made surrounded the garden So, the area of the walkway will be

Area of walkway = perimeter * width

Area of walkway = 32 * 2 = 64

Therefore, the area of the walkway surrounding the garden is 64 square feet.

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Given System of equation has multiple solution.

Simultaneous equations, a system of equations Two or more equations in algebra must be solved jointly (i.e., the solution must satisfy all the equations in the system). The number of equations must match the number of unknowns for a system to have a singular solution.

There are four methods for solving systems of equations: graphing, substitution, elimination, and matrices.

Given a system of equation:

-1 = 2x - y and  8x - 4y = -4​

From equation 1

-1 = 2x - y

y = 2x + 1

Substitute this value on equation 2

8x - 4y = -4​

8x - 4(2x + 1) = -4

-4 = -4

An equation can have infinitely many solutions when it should satisfy some conditions. The system of an equation has infinitely many solutions when the lines are coincident, and they have the same y-intercept. If the two lines have the same y-intercept and the slope, they are actually in the same exact line.

Thus, Given System of equation has multiple solution.

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The graph of g(x) is represented by the equation g(x) = Root Index 3 Start Root x EndRoot-1.

Hence, the correct option is D) g(x) = RootIndex 3 Start Root x End Root–1

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A researcher plans to use a random sample of n = 500 families to estimate the mean monthly family income for large population. A 99% confidence interval based on the sample would be  wider and would involve a smaller risk of being incorrect  than a 90$ confidence interval.

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Answer: Answers vary…

Step-by-step explanation:

Equivalent fractions can be written by multiplying or dividing both the numerator and the denominator by the same number. Some fractions equivalent to 1/2 are: 2/4, 3/6, 4/8, 5/10, 6/12, etc. This is because equivalent fractions have the same value in reduced form.

Answer:

Step-by-step explanation:

y = 1x + 2

y = 3x + 3

y = 1/2x + 2

y = -3x + 12

The probability that the favorite team of a randomly selected person in the group is the New York Mets is 1 / 5.

Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Probability = Number of favorable outcomes / Number of samples

Given that 25 people gathered to watch a baseball game while talking they realized that 5 of them were New York Mets fans.

The probability will be calculated as:-

Probability = 5 / 25

Probability = 1 / 5

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Answer:

y=3x+4

slope is the slope obviously and insert the point into the y=3x+b

itll be 7=3(1)+b

so itll be 4=b

The area of the shaded triangles is nearest to 10

The total area of the shaded triangles can be calculated using the following equation:

[tex]Total Area = (AC∧2)÷2 × (2∧n)[/tex]

Where AC is the length of the original triangle's hypotenuse and n is the number of iterations.

Given that AC = 6 and n = 100, the equation becomes

[tex]Total Area = (6^2)/2 × (2^100)[/tex]

Total Area = 18 × (2^100)

Total Area = 18 × 1.26 x 10^31

Total Area ≈ 10

Therefore, the total area of the shaded triangles is nearest to 10

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The smallest four-digit number with one digit used twice is 2236.

What is Digit?

A positional numeral system uses a single symbol, the numerical digit, either individually or in combination to represent numbers. The term "digit" refers to the ten symbols of the conventional base-10 numeral system, or decimal digits, which the ten digits of the hands correspond to.

A number is a numerical unit of measurement and labeling in mathematics. The natural numbers 1, 2, 3, 4, and so on are the first examples. Number words are a linguistic way to express numbers.

Given digit is ;

3629

Digits are   3  6  2  9

Digits in ascending order

2  3   6  9

Minimal 4 digit number

We can employ a number Twice

So, we'll use the smallest digit, 2, twice.

at positions 1000th and 100th.

The smallest four-digit number with one digit used twice is 2236.

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By completing squares we will see that the solutions of the quadratic equations is:

x = -4 ± √10

Here we want to solve the quadratic equation:

x^2 + 8x + 6 = 0

Remember the perfect square trinomial:

(a + b)^2 = a^2 + 2ab + b^2

We can rewrite the quadratic equation as:

x^2 + 2*4x + 6 = 0

To complete squares we need to add 4^2 = 16 in both sides, then we will get:

x^2 + 2*4x + 16 + 6 = 16

(x + 4)^2 + 6 = 16

(x + 4)^2 = 16 - 6

(x + 4)^2 = 10

x = -4 ± √10

That is the solution.

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Based on the information provided, it can be concluded that the vaccine trials most likely did not cause children to get polio as these are independent variables.

This type of bias implies people believe two events are related as a cause or effect. This often happens when one event follows another, and therefore people believe one event causes the other.

In this case, people are likely to believe the vaccine caused higher polio rates just because after the vaccine, polio rates seemed to increase. However, these two variables are independent as vaccines produce immunization against polio.

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Part (a)

[tex]42^{\circ}[/tex] since the angle intercepted by a central angle is the same as the measure of the arc.

Part (b)

[tex]21^{\circ}[/tex] by the inscribed angle theorem.

The interest rate of the bank R is 2.5% and interest rate of the bank Q is 3%.

What is compound interest?

Compound interest is calculated on the principal as well as the interest accumulated over the previous period. It differs from simple interest in that interest is not added to the principal when calculating interest for the following period.

Here the given equation represents the amount in compound interest.

Using compound interest formula then

=> A = P[tex](1+\frac{R}{100})^n[/tex]

According to the question the equation for trust bank is

=> R =350 [tex](1+0.025)^n[/tex]

comparing with compound interest formula then

=> [tex]\frac{R}{100}= 0.025[/tex]

=> R = 0.025× 100 =2.5%

Now the equation of other bank is

=> Q = 350[tex](1+0.03)^n[/tex]

Comparing with compound interest formula then

=> [tex]\frac{R}{100}= 0.03[/tex]

=> R = 0.03×100 = 3%

Hence the interest rate of the bank R is 2.5% and interest rate of the bank Q is 3%.

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Answer:

$80.56

Step-by-step explanation:

First determine the cost of the bat after the discount.

20% of 95 = .20x 95 = 19

95-19= $76

Next, you will calculate the additional cost of sales tax.

Sales tax rate = Sales tax percent / 100 (6/100) = .06

Sales tax = List price x Sales tax rate (76 x .06) = 4.56

Total tax equals $4.56

76+4.56= $80.56

Answer:

see i have a same solution not exactly though

Step-by-step explanation:

so check and solve good luck

Put the decimal point to the right to make the divisor a full number if it isn't already. The dividend's decimal point should likewise be moved the same number of spaces to the right (adding some extra zeros if necessary.)

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The price for the Suite room for check-in on Friday and Saturday is given as follows:

$278.75.

The price for the room is obtained applying the proportions in the context of this problem.

The price for the room on the period from Sunday until Thursday is given as follows

$223.

The price for the room on Friday and Saturday is 25% higher than from Sunday until Thursday, hence the price is given as follows:

1.25 x 223 = $278.75.

(as an increase of 25% is equivalent to a proportion of 1.25).

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The proportion of voters who favor stem cell research can be estimated by taking a survey and calculating (Number of voters who favor stem cell research / Total Number of voters) x 100.

Proportion of favor stem cell research = (Number of voters who favor stem cell research / Total Number of voters) x 100

In order to estimate the proportion of voters who favor stem cell research, a survey has to be taken. Suppose the survey results indicate that out of a total of 500 voters, 300 of them favor stem cell research. Then, the proportion of favor stem cell research would be calculated as follows: Proportion of favor stem cell research = (300/500) x 100 = 60%. This means that 60% of the total voters favor stem cell research.

The proportion of voters who favor stem cell research can be estimated by taking a survey and calculating (Number of voters who favor stem cell research / +++Total Number of voters) x 100.

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Answer: The width of the floor space covered by 38 boards with 7 3/4-in exposed surface each is 298 inches.

To find this, you would multiply the number of boards (38) by the width of the exposed surface of each board (7 3/4 inches).

38 x 7.75 = 298 inches.

Step-by-step explanation:

Based on the graph of the general solution to the differential equation dy/dx = 2x + y, the option C: The slopes are all positive in Quadrant 1, is true.

What is a differential equation?

A differential equation is an equation that contains at least one derivative of an unknown function, either a normal differential equation or a partial differential equation.

The given the differential equation is dy/dx=2x+y.

The graph for the function is drawn.

dy/dx=2x+y

Now slope=2x+y

Along x-axis, y=0.

So, slope=2x≠0.

Since it depends upon x hence the slope along the y-axis are not horizontal.

Along y-axis, x=0.

So, slope=y≠0.

Since  it depends upon y the slope along the x-axis are also not horizontal.

In quadrant I -

x,y≥0

So, dy/dx≥0

Hence the slopes are all positive in quadrant I.

In quadrant IV -

x≥0,y≤0

So, dy/dx is not always positive.

Therefore, the slopes are not all positive in quadrant IV.

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Based on the graph of the general solution to the differential equation dy over dx equals 2 times x plus y comma which of the following statements is true? The slopes along the y-axis are horizontal. The slopes along the x-axis are horizontal. The slopes are all positive in Quadrant 1. The slopes are all positive in Quadrant 4.

The biggest angle in the triangle is opposite the largest side, which is how they actually relate to one another. The right answer is D.

A triangle's characteristics are:

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The meaning of (p⋅c)(2) for the horse-drawn carriage tour company is: A. the horse-drawn carriage tour company can expect to take in $5760 when the charge per customer is $60.

In this scenario, a function which represents the price charged per customer c(x) is given by this mathematical expression;

c(x) = 50 + 5x.

where:

x represents the number of $5 increases they charge over a rate of $50 per person.

When x = 2, the price charged per customer c(x) is given by;

c(2) = 50 + 5(2)

c(2) = $60.

Furthermore, a function which represents the number of customers expected for the day is given by:

p(x) = 100 - 2x

where:

x represents the number of $5 increases they charge over a rate of $50 per person.

When x = 2, the number of customers expected for the day is:

p(2) = 100 - 2(2)

p(2) = 96.

Now, (p⋅c) can be calculated as follows;

(p⋅c) = p(2) × c(2)

(p⋅c) = 96 × 60

(p⋅c) = $5760.

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