3 years ago

Helllppppp!!!!!.!.!!.!!.!.

Mathematics

2 answers:

alexandr1967 [171]3 years ago

6 0

Simply plug in the points (-1,-4) into the equations, and B is the only one that holds.

alexira [117]3 years ago

3 0

Your answer is B, y=4x. We can prove this through simply sumbstituting the given coordinate into the equation:
y=4x
y=4(-1)
-4=4x

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Answer:

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Step-by-step explanation:

steps

convert the length of squiggles from feet to inches
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3 years ago

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What is the result of adding these two equation?<br> 5x-9y=1<br> -7x+2y=-5

SCORPION-xisa [38]

The result of adding the given equations is 2x+7y=4.

Step-by-step explanation:

Given equations are;

5x-9y=1 Eqn 1

-7x+2y=-5 Eqn 2

Adding Eqn 1 and 2

$(5x-9y)+(-7x+2y)=1+(-5)\\5x-9y-7x+2y=1-5$

Arranging alike terms;

$5x-7x-9y+2y=-4\\-2x-7y=-4$

Dividing each term by -1

$\frac{-2x}{-1}+\frac{-7y}{-1}=\frac{-4}{-1}\\2x+7y=4$

The result of adding the given equations is 2x+7y=4.

Keywords: addition, linear equations

Learn more about addition at:

#LearnwithBrainly

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3 years ago