Use substitution to solve the following system of equations. - 2x + 4y = -18AND x = y + 3

1 answer:

7 0

The anwser is (-6,-9)

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Archy [21]

Answer:

Area= 80 in square

Step-by-step explanation:

h=8

b=20

formula= b*h/2

so, 8*20/2

Area= 80 in square

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2 years ago

Citrus2011 [14]

Answer: 30

Step-by-step explanation:

16+6+18

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3 years ago

dolphi86 [110]

Answer:

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Step-by-step explanation:

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4 years ago

agasfer [191]

Step-by-step explanation:

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3 years ago

sashaice [31]

8 pencils = 1 package
28 children need pencils
Each child gets 4 pencils

28x4 = 112 (pencils needed)

112/8 = 14 packages needed.

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3 years ago