Select all true statements if n || m.

Parallel lines M and N cut by two transversals, A B and B C. Along line M, three angles are labeled 2, 3, and 4, which together form a straight angle. Transversal A B forms two angles below line N, one labeled 20 degrees and the other labeled A. Together, these angles form a straight angle. Transversal B C forms two angles below line N, one labeled C and the other labeled 60 degrees. Together, these angles form a straight angle. Angle 1 is vertical to the 60-degree angle and is an alternate interior angle to angle 4. Together, angles 1, 3, and an unlabeled angle that is vertical to the 20-degree angle form a triangle between the two parallel lines.
A. m∠2 = 60°
B. m∠3 = 100°
C. m∠2 + m∠4 = 80°
D. m∠2 + m∠3 = 80°
E. m∠2 = 20°

The sales Jamie made for the week is $530

information from the problem

Jamie is a salesperson in a jewelry store and earns $150 per week, plus 15% of her weekly sales

Jamie makes $229.50 in one week, her sales for that week = ?

The question is a percentage problem, percentage deals with a fraction hundred and used as follows

15% = 15 percent

= 15 / 100

= 0.15

Let Jamie's sales for the week be x

total earning = 150 + 0.15x

229.50 = 150 + 0.15x

229.50 - 150 = 0.15x

0.15x = 79.5

x = 79.5 / 0.15

x = 530

The sales for the  week is $530

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A standard normal distribution's characteristics are its mean is equal to 0 and the standard deviation is 1. Thus, the variance is equal to 1.

A normal distribution that has a mean value of 0 and a standard deviation or a variance of 1 is said to be a standard normal distribution.

I.e., μ = 0 and σ² = 1

This is also called z-distribution.

A standard normal distribution has μ = 0 and σ² = 1.

So, the probability of a normal random variable is calculated by using a z-score.

The z-score value is calculated by the formula

z = (X - μ)/σ

Where mean (μ) and standard deviation (σ) for the variable X

By using the standard normal distribution tables with the z-score and probabilities, the required values are calculated.

So, we can conclude that the major characteristics of a standard normal distribution are mean = 0 and variance = 1.

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Answer:

7/4

Step-by-step explanation:

The rate of change is the slope or the change in y over the change in x.

Yaritza made 25% of her free throws over the season. If she shot 160 free throws, 40 many did she make. Using the concept of percentage.

When a fraction of a whole is represented as a number between 0 and 100, it is called a percentage. All of something is 100 percent, half of it is 50 percent, and none of it is 0%. To calculate a percentage, multiply the result by 100 after dividing the part of the whole by the entire.

When the denominator is 100, percentages are really just fractions. The percent sign (%) is placed next to a number to indicate that it is a percentage. For instance, you would have received a 75% on the examination if you correctly answered 75 out of 100 questions (75/100).

An easy way to solve this problem is by first finding 50%.

To find 50% of 160

= 160 × (50/100)

= 80

So, 160.0 becomes 80.

Then, because 25% is half of 50% to find the answer divide 80 by 2.

Therefore, Yaritza made 40 of her 160 free throws.

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Answer:

42.86%

Explanation:

First, we subtract the two numbers.

42 - 24 = 18

Now we divide this to the original number.

18 / 42 = 0.4285714286

Multiply by 100:

42.85714286

So, the percent increase is approximately 42.86%

Answer:

5x^2

4x

-20x

Step-by-step explanation:

5x(x) = 5x^2

4(x)= 4x

5x(-4)= -20x

1. Correlation is a bivariate analysis that measures the strength of association between two variables and the direction of the relationship. Regression is a statistical method to determine the strength and character of the relationship between one dependent variable and a series of other variables (known as independent variables). So, both correlation and regression require a measure for both variables individual variances.

2. We can test for the statistical significance of a correlation coefficients by performing a hypothesis test on the correlation coefficients. And it's also possible to perform hypothesis tests on the regression slope on the values which is being estimated using a regression analysis. So, both correlation and regression can be tested for statistical significance.

3. Correlation helps us to test the strength of association between two variables. But regression helps us to predict one of the variables from the other. So, it is true for a regression. It is only regression which provides a way to predict a specific value of one variable from the value of another variable.

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The conclusion is option A, we cannot reject the null hypothesis.

An assumption or concept is given as a hypothesis for the purpose of debating it and testing if it might be true.

The null hypothesis cannot  be rejected for the entire population if your sample is not sufficiently incompatible with it, which can be determined if your P value is small enough.

Therefore, we can not reject the hypothesis.

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The salary corresponding to z=1 is $64587 if the average teacher's salary in a particular state is $54,137.

A Z-score is a metric that quantifies the connection between a value and the mean of a set of values. The Z-score is measured as the standard deviations from the mean. If the Z-score is 0, A data point's score is the same as the mean score. In statistics, a raw score's value that deviates or surpasses the mean of the phenomenon being observed or measured is referred to as the standard score. Raw scores above the mean are given positive standard scores, whilst raw values below the mean are given negative standard ratings.

The pay is 1 standard deviation above the mean, according to a z score of 1.

Therefore, the salary for a z-score of 1 is:

$54,137 + 1($10,450) = $64587

Therefore, the salary corresponding to z=1 is $64587

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The value of x using Exterior Angle Theorem is 9.

What is the exterior angle of theorem?

Interior 2 angle = exterior angle

32° + (6x -2)° = 9x + 3

32° + 6x -2° = 9x + 3

30° - 3° = 9x - 6x

3x = 27°

x = 9

Hence, the value of x using Exterior Angle Theorem is 9.

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The required solution of the given inequality is z ≤ 9.

Given that,
To determine the solution of the inequality −2(2z−3)≥2z+24.

Inequality can be defined as the relation of the equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.

Here,
−2(2z−3)≥2z+24
-4z + 6 ≥ 2z + 24
-2z ≥ 18
z ≤ 9

Thus, the required solution of the given inequality is z ≤ 9.

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[tex]~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$5500\\ P=\textit{original amount deposited}\\ r=rate\to 5.5\%\to \frac{5.5}{100}\dotfill &0.055\\ t=years\dotfill &10 \end{cases} \\\\\\ 5500=Pe^{0.055\cdot 10} \implies \cfrac{5500}{e^{0.055\cdot 10}}=P\implies 3173.22\approx P[/tex]

According to the given information the dimensions of each of the roof is 12 feet.

The amount the three-dimensional space that's also occupied is measured in volume. To define it quantitatively, a variety of imperial either Us or metric system, in addition to SI-derived units such as the cubic meter but instead liter), are widely utilized. A symbiotic relationship exists between volume and length (cubed).

Mathematics refers to volume as the measurement of internal space in a specific 3D object. A fish tank, for instance, is three feet long, one foot broad, and two feet high. Expanding the length, that width, and the height results in the volume, which is equal to six when 3x1x2 is used. Consequently, the fish tank can hold 6 cubic feet of water.

According to the given picture

a = 18 ft,

b = 8ft,

c = 36ft and h = x

[tex]\begin{matrix}V=a\times b\times c+\frac{a\times h}{2}\times c\\\9072=18\times8\times36+\frac{18\times x}{2}\times36\\9072=5184+324\times x\\\x=12\\\end{matrix}[/tex]

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Answer: 15

Step-by-step explanation: I submitted 12 and that was wrong, answer is 15

As the age of the car increases by 1 year, the value of the car decreases by 7%. The correct option is B.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the value of a car can be represented by the equation V = 16,000(0.93)t, where V is the value of the car and t is the age of the car in years.

As the age of the car increases by 1 year, the value of the car decreases by 7%. The correct option is B.

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There were 6.75 small cars rented and 1.75  large cars total were rented.

Let x represent the quantity of little cars rented, and y represent the quantity of big cars rented.

The system of equations below is based on the statements that have been provided:

5x + 8y = 51

x = y + 5

If we replace (1) with the value of x from (2), we get

5(y+5) + 7y = 46

5(y) + 5(5) + 7y = 46

5y + 25 + 7y = 46

12y = 46 -25

12y = 21

y = 1.75

Adding the value of y to (2) yields x = 1.75 + 5 = 6.75.

There were 6.75 small cars rented.

1.75  large cars total were rented.

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Stephen's current average weekly net pay is $354.76. The van he wants to purchase has monthly payments of $325.00. the inequality that correctly shows the comparison between 15% of Stephen's average monthly net pay and the monthly van payment is  $212.86 ≤ $325.00

Information given in the question

Stephen's current average weekly net pay is $354.76

The van he wants to purchase has monthly payments of $325.00.

the inequality that compares 15% of Stephen's average monthly net pay and the monthly van payment = ?

A weekly pay of  $354.76 getting the monthly pay is

= 4 * $354.76

= $1419.04

15% of the monthly pay

= 0.15 * $1419.04

= 212.856

= $212.86

This amount is less than $325.00 which is monthly payment for the van hence  $212.86 ≤ $325.00

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Answer: x=5

Step-by-step explanation:

4x+4-4=24-4

4x=20

x=5

Answer:

2x+3y = -15

Step-by-step explanation:

The equation to show how many miles Mario has left to run this month to reach his goal is C. m + 85 = 170; m = 85 miles.

An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement

In this situation, Mario set a goal to run 170 miles this month to prepare for a marathon and far this month, he has run 85 miles.

Let the remaining miles be m.

This will be illustrated as:

m + 85 = 170

Collect like terms

m = 170 - 85

m = 85

In conclusion, the correct option is C

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Basketball player have to make 5 successful consecutive throws to make to raise her percent to 85%.

Percentage is a part of the whole number. It is denoted by % sign.

1 %= 1/100.

Given that,

Basketball player makes 12 out of 15 free throws she attempted.

The percentage of successful throws = (12/15)x100 = 75%

Let n consecutive free throws she has to make to increase the percentage of successful throws to 85%,

Implies that,

(12+n)/ (15+n) = 85/100

(12+n)/ (15+n) = 17 /20

240 + 20n = 255 + 17n

3n = 15

n = 5

Basketball player have to make 5 successful consecutive throws to make to raise her percent to 85%.

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a. The inverse variation relationship between a and b can be expressed as a = k/b^2, where k is a constant. We are given that a is 1 when b is 3, so we can substitute these values into the equation to find k: 1 = k/(3^2). Solving for k, we get k = 9.

Substituting this value of k back into the equation a = k/b^2, we can find a when b is 5: a = 9/(5^2) = 9/25 = 0.36. Therefore, a is 0.36 when b is 5.

b. To find the distance it takes for a car traveling at 65 miles per hour to stop, we can use the equation for direct variation: d = kv^2, where d is the distance, v is the speed, and k is a constant. We are given that it takes 112 feet for a car traveling at 40 miles per hour to stop, so we can substitute these values into the equation to find k: 112 = k(40^2). Solving for k, we get k = 0.0056.

Substituting this value of k back into the equation d = kv^2, we can find the distance it takes for a car traveling at 65 miles per hour to stop: d = 0.0056(65^2) = 2256 feet. Therefore, it takes 2256 feet for a car traveling at 65 miles per hour to stop.

Answer: 2

Step-by-step explanation:

The  simplest radical from BC = 2/3.

AC = 26 and BC = 10.

Therefore, BC = 26 - 10 = 14.

we need to find the simplest radical from BC = 14. A simple radical is a fraction with no common factors other than 1 and itself. The simplest radical from BC = 14 is 2/3

Simply put, simplifying a radical eliminates the need to find any further square roots, cube roots, fourth roots, etc. Additionally, it entails eliminating any radicals from a fraction's denominator.

The radical consists of three separate parts:

The Complete Question is :

AC = 26 and BC = 10   find the simplest radical from BC =

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The width of the rectangle that maximizes the area is C/2 and the height of the rectangle that maximizes the area is C/2. The maximal area of the rectangle is C2/4.

The gap between a rectangle's length and width must be as small as possible for its area to be as large as possible. Therefore, the length in this scenario must be ceiling (perimeter / 4) and the width will be floor (perimeter /4). The greatest size of a rectangle with a given perimeter is therefore equal to ceiling(perimeter/4) * floor(perimeter/4)

The average of the maximum areas of land planted to a specific crop over the Relevant Period is referred to as the "maximum area for a particular crop."

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Answer:

[tex](-3, 4)[/tex]

Step-by-step explanation:

The horizontal component is [tex]-3[/tex] and the vertical component is [tex]4[/tex]

The component (-3, 4) from the given vectors are shown ​in the graph.

Let A = v 1, v 2,..., v r be a collection of vectors from Rn. If r > 2 and at least one of the vectors in A can be expressed as a linear combination of the others, A is said to be linearly dependent. The rationale for this description is straightforward: at least one of the vectors is dependent (linearly) on the others. If no vector exists in A, the set is said to be linearly independent. It is also usual to state "the vectors are linearly dependent (or independent)" rather than "the set comprising these vectors is linearly dependent (or independent)."

We have been given that the graph in the question

Here v = -3i + 4j

This means the component (-3, 4) of the provided vectors.

Therefore, the required component (-3, 4) from the provided vectors are depicted ​in the graph.

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The function f : S--> T is not a one to one function

Given :

f : S --> T

S and T are finite sets with |S| > |T|

To proof : f is not one-one function

Let us assume for the sake of contradiction that f is one to one function

Let n and m be positive integers such that |S| = n and |T| = m.

Note that these integers need to exist as S and T are finite sets

n > m

Let S = {s1 , . . . , sn} and T = { t1 , . . . , tm}

Without loss of generality , we can assume that f(si) = ti , for i = 1, 2, 3 ....

as each element needs to have a unique image ( since , f is one to one ) and we can rename the element t1 , . . . , tm if the order of the elements didnt match up the images.

Since , n > m we have a term sm+1 while we do not have a term t m+1 .

This implies that sm+1 needs to have a same image as some sk

f(sm+1) = f(sk) = tk

However , f(sm+1) = f(sk) = tk is then in contradiction with the fact that f is one-to-one.

Since , we derive a contradiction our assumption that f is one-to-one is incorrect and thus f is not one-to-one

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Step-by-step explanation:

put the value of h(x) in the function like in the above figure.

The width of the bedroom is 17 feet. The length of the bedroom is 17 + 8 = 25 feet.

What is the area of the rectangle?

The area of the rectangle is length x breadth. The diagonals of the rectangle divide it into two equivalent right-angled triangles. Therefore, the area of the rectangle will be equal to the sum of the area of these two triangles.

Let w be the width of the bedroom and l be the length of the bedroom.

The width of the bedroom is 8 feet shorter than the length, so the length is w + 8.

The area of the bedroom is the product of its width and length, or w * (w + 8).

We can set up the equation 425 = w * (w + 8) and solve for w.

First, we can rewrite the equation as 425 = w^2 + 8w.

Then, we can complete the square by adding (8/2)^2 = 16 to both sides:

425 + 16 = w^2 + 8w + 16

441 = w^2 + 8w + 16

We can rewrite the left side of the equation as (w + 4)^2, which gives us:

(w + 4)^2 = 441

Taking the square root of both sides gives us:

w + 4 = 21

Subtracting 4 from both sides gives us:

w = 17

Therefore, the width of the bedroom is 17 feet. The length of the bedroom is 17 + 8 = 25 feet.

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