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nlexa [21]
3 years ago
10

Which ordered pairs are a solution are a solution to the equation?

Mathematics
2 answers:
Alexus [3.1K]3 years ago
6 0
You need to substitute the y and x for all the values

a) -24 = 8*3 NOT TRUE
b) 16 = 8*2 TRUE
c) 8 = 8*1 TRUE
d) -16 = 8*-2 TRUE
e) -24 = 8*-3 TRUE
Eva8 [605]3 years ago
4 0
This is just a matter of subbing ur answer choices into the equation to see which ones make the equation true

y = 8x

solutions are : (2,16), (1,8), (-3,-24)


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What is N equal to? I think I know I want to make sure tho :/
Gnom [1K]

Answer:

n = 5/7 or 0.7

Step-by-step explanation:

The goal is to isolate the variable N. First, you distribute the fractions to their repsective parentheses.

1/2(5n + 8) = 3/4(12 - 6n)

2.5n + 4 = 9 - 4.5n

2.5n + 4.5n = 9 - 4

7n = 5

Divide both sides by 7, and you get n = 5/7 or 0.7

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olga_2 [115]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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The regular polygon with 7 sides has a perimeter of 187. Find the length of the side of this regular polygon.
Oduvanchick [21]

Answer:

26.7 (Add unit)

Step-by-step explanation:

Perimeter= 187

Number of sides= 7

Side= Total length of sides/Number of sides

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3 0
4 years ago
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Select the correct answer.
Anit [1.1K]
I think is C tbh sorry if that’s wrong my fault
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If Matrix A is 4 x 4, and Matrix B is 4 x 3, what is the size of matrix AB? If AB is undefined, please state so.
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I believe ab equals to 28!
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