3 years ago

Will give BRAINLIEST!!

Mathematics

2 answers:

andrew11 [14]3 years ago

6 0

Answer:

Step-by-step explanation:

Grace [21]3 years ago

4 0

Answer:

its b i need 2 more brainliest to rank up

Step-by-step explanation:

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(-3,1) (-17, 2) find the slope

shepuryov [24]

The answer is m= -1/14

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3 years ago

Solve the equation for y.Then find the value of y for the given value of x. 7x-xy=-18;x=-4.

guajiro [1.7K]

7x - xy = -18 x = -4

First, fill the -4 in where the "x's" are.

7(-4) - (-4)y = -18

Then, add the 28 over.

-28 + 4y = -18
+28 +28

4y = 10

Then, get the variable by itself, so you would divide the 4 over.

4y = 10
÷4 ÷4

y = 2.5

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3 years ago

Read 2 more answers

IRINA_888 [86]

Answer:

$- \frac{1}{2} {n}^{2} + 18 = 0 \\ - \frac{1}{2} {n}^{2} = - 18 \\ {n}^{2} = - 18 \times - 2 \\ {n}^{2} = 36 \\ n = + - \sqrt{36} \\ n = + - 6$