myalena011317 myalena011317

03-05-2021
Mathematics

contestada

A rectangle is 2 feet longer than it is wide. If the area is 8 square feet, find its perimeter.
.....Ft

Respuesta :

clarch19 clarch19

03-05-2021

Answer:

12 feet

Step-by-step explanation:

w = width

w+2 = length

w(w+2) = 8

w² + 2w - 8 = 0

(w+4)(w-2) = 0

w = -4 exclude because a length cannot be negative

w = 2

length = 2+2 or 4

P = 2(2)+2(4)

P = 4+8 or 12

Answer Link

Otras preguntas

Choose the correct form of the adjective based on what you have learned in the module, La Quête de Soi, about noun gender, singular vs. plural, irregular adject

what percentage of $34 equals $17?

Which conclusion about President Andrew Jackson is most consistent with the above headlines? a. Jackson relied on Congress to settle controversial issues. b. J

How can Elizabeth most responsibly pay off her bill sooner? by continuing to pay the minimum monthly payment by paying it off with a different credit card by ta

What is one way that humans affect animal populations?

−9+1/4(8n+16)=1/4(20n+4) help pls

A growing community considers building a new hospital closer to residential neighborhoods. This will get residents to emergency care faster and save lives when

How did the incas farm.

The table below represents a linear function f(x) and the equation represents a function g(x): Part A: Write a sentence to compare the slope of the two function

What does the formula |_|r^2 find?