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

World War 1 officially began on July 28th 1914 the last peace treaty was signed on November 11th 1918 approximately how many whole years did the war last how ma
carbon dioxide is removed from the bloodstream by the
What happens if you lose the money you invested in your stock?
using hooke's law , f s p r i n g = k ^ x , find the force needed to strech a spring 2 cm if it has an elastic constant of 3 N/cmA 2/3NB 3/2NC 3 ND 6 N
How much heat is lost when 575 g of molten iron at 1825 K becomes solid at 1181 K and cools to 293 K?
why is Odysseus's speech from king alcinous's banquet so important?
Why are the answers A and B wrong ?
What kind of weather comes before and after an occluded front?
What does a system of checks and balances protect against
Dexter and Tisa enjoy their dog even though the dog barks at and chases all the neighborhood cats. The odd thing, though, is that Tisa's friend Maria has a big