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 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

Question 6 of 20 The Federal Reserve can cause interest rates on mortgages to decrease by: A. establishing new Federal Reserve bank districts. o B. buying large
Which is the greatest accomplishment of the Ming Dynasty?
Discuss how you would change this video to adapt it for modern day adults if you had to explain a nuclear scenario to them.
With a coupon, a pair of shoes that normally costs $90 is only $72. Find the COP between $90 and $72.
Which wave has a longer wavelength?
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided Harry rides his bike 25 miles Karen rides her bike 25 mi
help please! 16 points
simplify: -7 - 8 Change 1 6/7 to a decimal round to the nearest tenth.
What did the British do as a result to avoid this dispute again? American revolution (stamp act)
Several objects were dropped from a balcony. Using the data below, determine which statements must be true regarding the rate of force of each falling object. N