7) Assume there exists a rectangle with a length of (x + 1) and a width of (x-4). What is the perimeter of this rectangle? A) 2x - 3 B) x²-3x - 4 C) 4x - 6 D) 2x + 4

Question

asked Mar 18, 2023 206k views

1 Answer

Sibish · Answer 1 · 2023-03-24T20:05:11+0000

Answer: C

P = 4x-6

Explanation:

( We will use variable P for the perimeter.)

Formulas we need to know

P= 2w+2l

w=(x-4)

l=(x+1)

Plug in for the variables: 2(x+1)+2(x-4)=P

Distribute: 2x+2+2x-8=P

Simplify: 4x-6=P

Looking through the answer choices, we determine it must be option C