AnnabelleRose
AnnabelleRose AnnabelleRose
  • 24-06-2017
  • Mathematics
contestada

The length of a rectangle is four times its width.
If the area of the rectangle is 144 yd^2, find its perimeter.

Respuesta :

ghanami
ghanami ghanami
  • 24-06-2017
hello; 
x is the length  , y the width : 
x = 4y...(1)
xy = 144....(2)
subsct in (2) : 4y(y) = 144
y² = 36
y = 6 yd   so : x = 24 yd 
the 
perimeter is : 2(6+24) =60 yd
Answer Link

Otras preguntas

Is 5/6 less than 2/12
Darwinism IA a term used when referring to
Why do you think a soldier in the Continental Army might consider deserting?
Which is an example of a behavioral adaptation? A. A beaver marks it territory with its scent. B. An arctic fox has thick fur on its feet for warmth.
The seaweed and kelp you see along the rocky coasts of oceans are most likely _____. green algae fire algae brown algae red algae
Most saltwater-use is to _____. irrigate crops provide the public with drinking water manufacture products like tires and cars generate electricity
______________ is a set of official government statistics on aggregate economic activity in production, income, investment and savings. A. GDP B. GNP C. Marke
eric jogged 3 1/4 miles on monday, 5 5/8 on tuesday, and 8 miles on wednesday. suppose he continues the pattern for the remainder of the week. how far will eric
12 divided by the sum of h and 2
Johnny bought 6 movie tickets and spent $54 of the tickets he bought 3/6 were children tickets that cost $8 each. The other tickets were adult tickets . How muc