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daser333 [38]
2 years ago
6

Find an equivalent expression for each expression by simplifying. (3x - 5y) + 7y

Mathematics
1 answer:
sertanlavr [38]2 years ago
4 0
This question is quite simple really. They are basically asking you to combine like terms. You have two different figures with the variable y, so you just combine the them. It would then be 3x + 2y. You cannot simplify this equation any further since there is nothing to solve for or anymore like terms to combine.
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given line passes through the points (-4, -3) and( 4, 1) what is the equation in point slope form of the line that's perpendicul
Diano4ka-milaya [45]

Answer:

y= -2x-5

Step-by-step explanation:

First find the gradient of the first line

m =  \frac{y2 - y1}{x2 - x1}

m=

\frac{1 -  - 3}{4 -  - 4}

m=

\frac{4}{8}

m=1/2

From this we can find the gradient of the perpendicular line, or the normal.

m1 × m2 = -1

Replace m1 with 1/2

1/2 × m2 = -1

m2= -2

Substitute values into

y-y1=m (x-x1)

y-3=-2 (x+4)

y-3=-2x -8

y=-2x-5

6 0
2 years ago
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Jenny recorded the number of basketball shots she made for each game. The histogram below shows her data. How many times did Jen
Harrizon [31]

Answer:

Answer choice a is correct, the answer would be 4.

Step-by-step explanation:

The histogram shows that the bin from 1-3 has a height of 4 shots, and all of the bins to the right include values of ≥4.

The question asks for the number of games that had less than 4 shots, which means that and number of shots greater than or equal to 4 would not be counted. Thus, only the first bin is included in the answer.

3 0
3 years ago
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What is the domain of the function graphed below?
Leokris [45]

Answer:

A. x<7

Step-by-step explanation:

The point at x=7 is an open circle, so the sign is <, not ≤

6 0
2 years ago
What is the slope line passing through the points (2, 5) and (-1, -4) Show all of your work.
koban [17]

Answer:

<h2>The slope m = 3</h2>

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (2, 5) and (-1, -4). Substitute:

m=\dfrac{-4-5}{-1-2}=\dfrac{-9}{-3}=3

8 0
3 years ago
A contractor purchases 3 dozen pairs of padded work gloves for ​$42.48. He incorrectly calculates the unit price as ​$14.16 per
Harrizon [31]

Answer:

1.18

Step-by-step explanation:

4 0
3 years ago
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