3 years ago

Simplify to create an equivalent expression: -2r + 7(-2n - 3)

Mathematics

1 answer:

Andrew [12]3 years ago

4 0

Answer:

-14n - 2r - 21

Step-by-step explanation:

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Pavel [41]

Answer:x=16

Step-by-step explanation:

4x+45=3x+61

Collect like terms

4x-3x=61-45

x=16

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Step-by-step explanation:

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Question is below (wasn't sure about the answer)

Paha777 [63]

Answer: Choice A)

$H = \frac{SA}{2(L+W)} - \frac{LW}{L+W}\\\\$

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Work Shown:

$SA = 2(LW + LH + HW)\\\\2(LW + LH + HW) = SA\\\\LW + LH + HW = \frac{SA}{2}\\\\LH + HW = \frac{SA}{2} - LW\\\\H(L + W) = \frac{SA}{2} - LW\\\\H = \frac{\frac{SA}{2} - LW}{(L + W)}\\\\H = \frac{SA}{2(L+W)} - \frac{LW}{L+W}\\\\$

This is not the only way to solve for H.

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3 years ago

How would I solve this

Feliz [49]

What are you solving for???

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Leviafan [203]

Answer:

Step-by-step explanation:

90-36=54

54-24=30

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