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

the number 43.95 is 1/10 of what number?
Please help due today!
What is the equation of the line that passes through (-4, 5) and is parallel to the line 4x + 2y = 10? A. y= 1/2x + 3 B. y= 1/2x +5 C. y= -2x + 10 D. y= -2x
Which equation describes the sum of the vectors plotted below? -5
What is Plunkitt's view on the how political machines operate? How does he say they are affecting people?
Irreversible damage to the liver due to long term alcohol abuse is called: A.Cirrhosis B. Cancer C. Liver failure D. jaundice
John run 30 miles in 2 hours what is the unit rate?
Que encontraron los conquistadores el la Florida y que se llevaron con ellos para Espana? answer in english if it’s easier for u thanks!! :)
(sinx+cosx)2=sin2x+1​
What is a theme for "How the Rhinoceros Got His Skin"? o Good manners are important. O Cake crumbs are itchy. Do not mess with Parsees. There is no theme to thi