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Nuetrik [128]
3 years ago
10

Use substitution to solve the linear system of equations.

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

D) 4,-2

Step-by-step explanation:

x=4, Thus x=4

-y=(1/2)(4)

-y=2

y=-2

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Mamont248 [21]

The area of the square will be 196cm².

<h3>How to calculate the area?</h3>

It should be noted that the perimeter of a square is the addition of all its sides. Therefore, the length of the side will be:

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