A) if x=4 evaluate the perimeter of the blanket. Don’t forget to include the measurement in your final answer.

Mathematics

1 answer:

Tanzania [10]3 years ago

6 0

Formula for perimeter of a rectangle: P = 2W + 2L

Here, P = 2(x-3 ) cm + 2(3x+7) cm = 2x - 6 + 6x + 14 (cm)

Combine like terms: 8x + 8 cm (simplest form) This is the perimeter.

Now let x = 4: P(x=4) = 8(4) + 8 cm = 40 cm

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