Mathematics College

i need help with this ^

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Answer 1

Answer is 20

Please mark me as Brainliest ......

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3/5 of 18 =what I don’t get it

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Answer:

10.8

Step-by-step explanation:

I need help answering this

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Answer:

The answer looks to be 35! See where the line stops in bettween 30 and 40?^^

Hope this helps! Let me know if its correct or not!

1.43 x -20/39 is close to -.075. Is this estimate reasonable? The product is negative and half of ?

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Answer:

yes, that is correct

Step-by-step explanation:

- (20÷39) = - 0.513

- 0.513 * 1.43 = - 0.734 ~ - 0.75

please help im on plato right answer will get brainlyest

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Answer:

Only graph X represents a function.

Step-by-step explanation:

Use the vertical line test for testing out if the graph represents a function. If the line passes through two or more points when drawn through a single x value, then it is not a function. The only graph that is a function is graph X.

Find the slope of the line that passes through (64, -7) and (54, 67).

Simplify your answer and write it as a proper fraction, improper fraction, or integer.

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Answer:

Sorry im late to this but the other 2 people are correct the answer is -37/5!! :D

Step-by-step explanation:

If $1,000 is invested at 5% interest, compounded continuously, for five years, what is the ending balance?

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Answer:

1284.03

Step-by-step explanation:

How is a system of equations created when each linear function is given as a set of two ordered pairs. Explain

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Answer:

Please check the explanation.

Step-by-step explanation:

If each linear function is given as a set of two ordered pairs, all we need is to find a slope between two lines and put one of the points in the slope- intercept form of the line equation to find the y-intercept 'b' and then writing the equation in the slope-intercept form. This is how we can generate a system of equations.

For example, let suppose a linear function has the following ordered pairs:

(1, 1) (2, 3)

Finding the slope between two points

[tex]\left(x_1,\:y_1\right)=\left(1,\:1\right),\:\left(x_2,\:y_2\right)=\left(2,\:3\right)[/tex]

[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]m=\frac{3-1}{2-1}[/tex]

[tex]m=2[/tex]

We know that the slope-intercept form of the line equation is

[tex]y=mx+b[/tex]

where m is the slope and b is the y-intercept

Now, substituting the slope m = 2 and the point (1, 1) to determine the y-intercept

[tex]y=mx+b[/tex]

[tex]1 = 2(1)+b[/tex]

[tex]b = 1-2[/tex]

[tex]b = -1[/tex]

Now, substituting the slope m = 2 and the value of y-intercept in the slope-intercept form of the line equation

[tex]y=mx+b[/tex]

[tex]y=2x+(-1)[/tex]

[tex]y=2x-1[/tex]

Thus, the equation of a line with the linear function having the points (1, 1) and (2, 3) is:

[tex]y=2x-1[/tex]

This is how a system of equations created when each linear function is given as a set of two ordered pairs.

Answer:

Sample response: Use the two points of a linear function to write an equation in slope-intercept form by first finding the slope of the function, and then using a point and the slope to determine the y-intercept. Write the equations in slope-intercept form.

please answer I need the answer now, please

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Answer:

The slope is -2, and the y-intercept is 12.

Step-by-step explanation:

Mr Morales makes a table of the number of chaperones needed for different numbers of students attending a field trip. The ratio of parent chaperones to students is a constant proportion. What is the missing number in Mr. Morale’s table?

A) 36

B) 40

C) 42

D) 48

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Answer:

Step-by-step explanation:

2 x 8 = 16

4 x 8 = 32

8 x 8 = 64

6 x 8 = 48

2 div 16 = 8

4 div 32 = 8

8 div 64 = 8

6 div 48 = 8

The points (-9, -10) and (-2,-5) form a proportional relationship. Find the slope of the
line that passes through these two points.

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Answer:

[tex]m=\frac{5}{7}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Step-by-step explanation:

Step 1: Define

Point (-9, -10)

Point (-2, -5)

Step 2: Find slope m

Substitute: [tex]m=\frac{-5+10}{-2+9}[/tex]Add: [tex]m=\frac{5}{7}[/tex]

And we have our final answer!

Suppose y varies directly as x, and y =15 when x = 3. Find the constant of variation (k).

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Answer:

k = 5

Step-by-step explanation:

y = kx

15 = k(3)

k = 15/3

k = 5

if jogging burns on average 140 calories every 15 minutes. how many calories are you burning in one hour.

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do 60 divided by 15 then do 140 multiplied by what ever you got when you did 60 divided by 15

How many 5/16s are in 1 whole 7/8

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Answer:

Step-by-step explanation:

Each factory at a candy company has 279 workers. There are 12 factories how many total workers are employed at both companies?

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Step-by-step explanation:

Number of workers a candy company has = 279

Total factories = 12

Total workers employed at 2 companies = 279×2 = 558

Which expression is equivalent to 7/2x -3(5x -1/2)
A.-11.5x + 1.5
B. -11.5x + -1.5
C. 18.5x + 1.5
D. 18.5x + -1.5

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Answer:

I think the answer is B, that was what i got

Suppose you add two linear equations that form a system, and you get the result −5 = −5. How many solutions does the system have?

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Answer:

infinetly many solutions

Step-by-step explanation:

There are an infinite amount of solutions because no matter what you put in for the x and y value, you will always get the same answer.

Math assignment cant get it

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Answer:

y = -1/2x + (-1)

Step-by-step explanation:

plz help i’ll give brainliest and 80 points !!

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Answer:

id.k sorry

Step-by-step explanation:

Answer:

y is g x 4

Step-by-step explanation:

3 x c = 4

c v v tusi

The diagram shows four graphs match the graphs to the equations

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Answer:

y=x^2 is graph D

y=1/x is graph A

otherwise, you're right

A line passes through the point (0,-2) and has slope 7. What is the equation of the line in slope-intercept form? please help me

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Answer:

y=7x-2

Step-by-step explanation:

In a survey of 2,500 people who owned a certain trote of car, 500 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car?

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Answer:

20 %

Step-by-step explanation:

I did the math and its 20

Please help me with this question

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the answer is (x+1)x(3x-2)

Put the names of the friends in order based on the absolute value of their scores from least to greatest

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I ain’t Neva seen 2 pretty bsf your screen is too foggy can’t see sorry

Winston Harry Paul Dillion I think ur thing is blurry

A company uses the equation C = 4.50n + 15 to represent the cost (C) of the number of bottles (n) they sell. What do the numbers 4.50 and 15 represent?
PLEASE ANSWER ASAP SORRYYYYYY

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Answer:

535 + 4.50n = 12n.

Step-by-step explanation:

Segment BD is a midsegment of triangle AEC Which equation could be used to find the value of x?

39x -11 = 17x + 6

39x - 11 = 2(17x + 6)

2(39x - 11) = 17x + 6

2(39x - 11) = 2(17x + 6)

Answers

Answer:the first one

Step-by-step explanation:

Answer:

B) 39x - 11 = 2(17x + 6)

Step-by-step explanation:

I took the quiz.

PLEASE HELPPP Will Give brainliest if it help :) The question : You are at an amusement park with your friend. You spend $11.00 on a stuffed animal
for your little brother. Then you and your friend ride the roller coaster several times
together for $4.00 each. Write a system of linear equations that represents this
situation. Will you and your friend spend the same amount of money? Explain.

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Answer:

y= 4x + 11 and no.

Step-by-step explanation:

Because you spent the 11 dollars extra and rode the rides meanwhile your friend only went on the rides. If (x) equals the amount of rides and (y) means the total amount. Then your friends equation with be y= 4x. But, you already spent 11 dollars additionally so therefore your equation with be y=4x + 11.

I hope this helped.

Friend y=4x

You y=4x + 11

527 round to the nearest tenth

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Answer:

530

Step-by-step explanation:

Answer:

oop its 500

hope this helps you ヾ(•ω•`)o

Step-by-step explanation:

IQ scores have a mean of 100 and a standard deviation of 16. Nora scored a 122 on the IQ test. What is Nora's z-score? Round to the nearest hundredth. *

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The answer would be 100 anything below one 150 is rounded to the bottom since this is 122 it should be rounded to the bottom

Need help ASAP pls due in 5 mins

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Well i cant do nothing about it

Which set includes rational numbers but not natural numbers?

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Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

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