vbodbodlhviprw1794 vbodbodlhviprw1794
  • 17-06-2018
  • Mathematics
contestada

A rectangle is 3 times as long as it is wide. if the area is 27 square feet, find its perimeter.

Respuesta :

gmany
gmany gmany
  • 17-06-2018
w - a width
3w - a length
27 ft² - an area

Therefore:

w · 3w = 27
3w² = 27    |:3
w² = 9 → w = √9 → w = 3

3w = 3 · 3 = 9

width = 3
length = 9

The perimeter:

P = 2 · width + 2 · length

P = 2 · 3 + 2 · 9 = 6 + 18 = 24 ft.
Answer Link

Otras preguntas

what is likely to happen if you continue drinking after you have a buzz, with a bac between .05 and .06?
How do I rewrite this algebra problem 9x_-72
When Kaitlin divide a fraction by 1/2, the result was a mixed number. Was the original fraction less or greater than 1/2?
The graph above shows the average number of hours per week a person spends watching television in a number of different countries.If the number of hours a perso
help as soon as possible business letter:(
Which statements about the life of Raphael are true? Choose all answers that are correct. A. His first art teacher was a medieval artist. B. He apprenticed w
• Two other reasons for the season are
What is the unit rate of 162 heartbeats in 60 seconds?
everyone has the same amount of risk.
Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?