amandaq0520 amandaq0520
  • 01-11-2021
  • Mathematics
contestada

Find the dimensions of a rectangle whose area is 180 cm2 and whose perimeter is 54cm

Respuesta :

jerelips6271
jerelips6271 jerelips6271
  • 01-11-2021

Answer:

{12,15}

Step-by-step explanation:

54 = 2(L + W)

27 = L + W

27 - L = W

LW = 180

L(27 - L) = 180

27L - L2 = 180

0 = L2 - 27L + 180                FOIL

0 = (L - 12)(L - 15)

{12, 15}

Answer Link

Otras preguntas

Which of the following first turned the tide of the Korean War in favor of the United States and South Korea? A. the Pusan perimeter B. the taking of Seoul C.
Someone help me out please
who was the leader of the Soviet union in 1992​
Which two countries fought in the war of 1812
Carbon that gets into the soil through (animal death or defecation) can get buried and eventually (after a really long time) turn into what? A. Algae B. Water C
I’m confused on how to work this out?
In terms of the scientific definition of work, magnetic fields can do work, but electric fields cannot.
there has been extremely large increase in distractive weather events such as hurricanes and tornadoes over the last 50 years. what do hypothesize is one possib
What does it mean to say that an allele is lost?
Tim mails two boxes of cookies to friends. One box weighs 1 3/4 pounds, and the other weighs 2 2/3 pounds. What is the total weight of the two boxes?