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

What would happen if we did not have either an ozone layer or magnetic field around the earth
Which of the following statements is true about ions? A. Anions are positively charged ions. B. Cations are common among nonmetals. C. Charges for ions are a
If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
cy + 4 = d - y Solve for y
What are interpersonal skills? a. Individual preferences for team projects  b. One's competence with tasks requiring solitude  c. The ability to work alone on a
who is the richest person in the world
Plz Help I didn't understand these How did advancements during the Gupta period transform mathematics?A. They invented algebra.B. They created the concepts of s
I'm Bad at functions. Any idea on what X stands for and what the answer is?
What did the Land Ordinance of 1785 establish? A) churches B) the capital C) townships D) playgrounds
One way to show that a statement is not a good definition is to find a