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Sonja [21]
3 years ago
8

For a rectangle with length of

Mathematics
1 answer:
AveGali [126]3 years ago
6 0

Answer:

2x+5

Step-by-step explanation:

Formula for the perimeter of a reactangle= 2(l+b)

So,

2(l+b) = 10x+18

2(3x+4 + b) = 10x+18

Rearrange and solve

3x+4+b = 5x+9

b = 5x+9 - 3x - 4

b = 2x+5

Thus the measurement of the width = 2x+5

Hope this helps

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3 years ago
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3 years ago
5.
Pepsi [2]

Answer:

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Step-by-step explanation:

Answer:

x = 2

Step-by-step explanation:

check by substituting each given value of x into the function

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<span>12+3(8+x)
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