2 years ago

Screenshot of question below

Mathematics

1 answer:

MaRussiya [10]2 years ago

8 0

Area: 20 x 30 so 600
perimeter: 20 + 20 + 30 + 30 = 100

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35 points!! Only comment if you really know the answer please.

hodyreva [135]

Y = 3x - 1 ---- (1)
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From Equation 2:
x - y = - 9
x + 9 = y
y = x + 9 --- (2a)

(1) - (2a):
0 = 3x - x - 1 - 9
0 = 2x - 10
2x - 10 = 0
2x = 10
x = 5 ---- sub into (1)

y = 3(5) - 1
y = 15 - 1
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Answer:

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Step-by-step explanation:

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3 years ago

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6) 8x+y=-16<br> -3x+y=-5<br> Solve each system by elimination?

Anarel [89]

Answer:

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Step-by-step explanation:

8x+y=-16

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