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jeka94
3 years ago
8

Help pls and no links

Mathematics
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

C) 4/(x+y)²

Step-by-step explanation:

start by expanding so it is written as 2÷(x+y)/(x+y)÷2.

Then rearrange so that it is 2×2/(x+y)×(x+y) or 4/(x+y)²

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2x-y=4 and y=-2x+8.<br><br> Can anyone help me solve
Komok [63]

Answer:

The correct answer is x = 3 and y = 2.

Step-by-step explanation:

There are many ways to solve systems of equations like this, but I'm going to use substitution.  This means taking the value of y given by the second equation and plugging it into the first equation.  This is modeled below:

2x - y = 4

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Now, we can simplify the left side of the equation.

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To solve for y, we can substitute this value found for x back into either one of our original equations.

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Therefore, the correct answer is x = 3 and y = 2.

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