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

give an example not illustrating popular sovereignty
54 = 3*3*3*2 Which of the following products is NOT a factor of 54? A - 2*6 B - 2*9 C - 3*6 D - 9*6
Write me an essay on the topic: "A human is born twice, once from his mother and again from his own existence and body" Im giving 100 points for this btw for fu
Why are the American people saying that since the 2020 election, American democracy is gone?
algebra 2x add 7 - 0x add 3
amanda opened a bank account with an initial $325. She is depositing $52.10 per week into her bank account. Assuming she continues to deposit $52.10 per week. W
Which nuclide decays more quickly: bromine-80 or magnesium-28?
Why sugar is an organic compound
Ashton, Bryan and Charles were given the same number of funfair tickets to sell. Charles sold 92 tickets. Bryan had twice as many tickets left unsold as Ashton'
Which of the following statements regarding tip income is true? A. If the taxpayer is an indirectly tipped employee (for example, a busser or bartender) he or s