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

Which of the following is an example of a benefit of government involvement in the economy? A. government bans on necessary goods B. government regulation of mi
Once a bill passes both chambers, the only way it can become law is if it is signed by the President of the United States. t or f
Mammalian limbs are adapted for a variety of methods of food gathering. true or false
The rain caused the river to rise a total of 6 2/3 inches. The river was rising at an average of 2/3 of an inch each hour. How many hours did it rain?
Some of the earliest, modern human remains come from a. Ethiopia. b. South Africa. c. Mali. d. Ghana.
do any body know how to add a+50
The element Ag has how many protons?
Korean society was strongly influenced by what
What was the Sepoy Rebellion, and how did it change colonial India?
Solve for x 17-x=1/3*15+6