Question

The perimeter formula for a rectangle is 2l + 2w, where l is the length and w is the width.

A rectangle. The top of the rectangle is labeled (8 x minus 1) inches. The right side is labeled (2 x + 4) inches.
Complete the steps to find an expression that represents the perimeter of the rectangle.

Substitute the expressions for length and width into the formula 2l + 2w.

Distribute 2 to each term in the parentheses.


Combine like terms.

inches

Answer 1

Answer:

P = 20x + 6

Step-by-step explanation:

Perimeter formula:

P = 2(l + w)

Given:

l = 8x - 1

w = 2x + 4

Work:

P = 2(l + w)

P = 2(8x - 1 + 2x + 4)

P = 2(10x + 3)

P = 20x + 6

Answer 2

Answer:

1. 2(8x-1)  + 2(2x +4)

2. 16x -2 + 4x + 8

3. (20x + 6)

Step-by-step explanation:

Ed22