Mamadorunrun2788 Mamadorunrun2788

24-03-2019
Mathematics

contestada

The length of a rectangle is four times its width. If the area of the rectangle is 100 ft?, find its perimeter

Respuesta :

samuelrengifo samuelrengifo

03-04-2019

Answer:

P = 50 ft

Step-by-step explanation:

A = L*W

If

L = 4W

then

100 = 4W*W

100 = 4W^2

W^2 = 100/4

W^2 = 25

W = 5 ft

Then

L= 4(5)

L= 20 ft

P = 2L + 2W

Then

P = 2(20) + 2(5)

P = 40 + 10

P = 50 ft

Best regards

Answer Link

Otras preguntas

Simplify the expression. Assume that variables represent nonzero numbers (-5x^5)(4x^2)(-2x^6)

Measuring employment, unemployment, and labor force participationFor each answer the choices are Employed, Unemployed, Not in the labor force or Not in adult po

How are weathering and erosion the same?

To rationalize the denominator of 2sqrt10/3sqrt11

The figures are similar. Find the area. The area of rectangle is 72 square inches. A diagonal of rectangle is 12 inches and the diagonal of rectangle is 18 i

Approximately how much of the ozone layer over the South Pole has been depleted? Select one: a. 25% b. 50% c. 75% d. 90%

On its December 31, 2005 balance sheet, Shin Co. has income tax payable of $13,000 and a current deferred tax asset of $20,000, before determining the need for

Which of the following typically happens as prices for a good or service rises?a. suppliers leave the marketb. consumers seek more of the good or service to con

Find the reference angle given: t = -216º.

What was one major difference between the Commercial Revolution and the Industrial Revolution?