20-12-2018
Mathematics

contestada

what is the perimeter of a rectangle with a length of 3x + 3 and a width of x - 1

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wegnerkolmp2741o wegnerkolmp2741o

20-12-2018

Answer:

P = 8x+4

Step-by-step explanation:

The perimeter of a rectangle is found by using the formula

P = 2(l+w)

We know l = 3x+3 and

w = x-1

Substitute these values in

P =2(3x+3 + x-1)

Combine like terms

P = 2(4x+2)

Distribute the 2

P = 8x+4

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