PrincessNeNe63091 PrincessNeNe63091

02-09-2017
Mathematics

contestada

The length of a rectangle is twice its width. if the area of the rectangle is 162 m2 , find its perimeter.

Respuesta :

texaschic101 texaschic101

02-09-2017

L = 2W
A = L * W
A = 162

162 = 2W(W)
162 = 2W^2
162/2 = W^2
81 = W^2
sqrt 81 = W
9 = W

L = 2W
L = 2(9)
L = 18

P = 2(L + W)
P = 2(18 + 9)
P = 2(27)
P = 54 <===== perimeter is 54 m

Answer Link

Otras preguntas

An online store sells old video games and DVDs as a bundle. A bundle of two video games and three DVDs can be purchased for 85.00. A bundle of one video game an

A farmer watered 3/8 of a field. What percentage is equivalent to the fraction of the field the farmer watered?

About 75% of human body hair is NOT found on the head.

evaluate 10.2x + 9.4y when x = 2 and y = 3.

similarities between plant and animal cells.

there is a total of 98 democratic and republican senators in congress. 8 of them are republican women. Find the percentage

HELP ASAP FOR BRAINLIEST: The time required to finish a test is normally distributed with a mean of 60 minutes and a standard deviation of 10 minutes. What is t

Why you sometimes experience a slight shock when getting out of your car

write a short note on distribution of water in India

Find the equation of the line which is perpendicular to the line y=− 1 3 x+6 through the point (2,4)