takityler1547 takityler1547
  • 04-07-2017
  • Mathematics
contestada

The length of a rectangle is twice its width. if the area of the rectangle is 50 yds2 , find its perimeter

Respuesta :

ghanami
ghanami ghanami
  • 05-07-2017
hello : 
x : length     y : width
xy = 50 ...(1)
x = 2y ...(2)
dubsct in (1) : 
(2y)(y) = 50
y² = 25
y = 5
x = 10

Answer Link

Otras preguntas

Describe the rise and decline of Nubia
10pts Algebra plz help 50+100n n=2
The sum of three consecutive integers is 177. find the smallest integer.
Identify the values that create ordered pairs that are solutions to the equation 3x-5y=20
Is England now out of the European Union
​Making use of the Silk Road in the early Empire, Rome traded considerably with a. ​Russia for furs b. ​All of these. c. ​Persia for copper d. ​Arabia
An antique store increases all of its prices by $40\%$, and then announces a $25\%$-off-everything sale. What percent of the original prices (before the increas
A plane loses altitude at the rate of 5 meters per second. It begins with an altitude of 8500 meters. The plane's altitude is a frunction of the number of secon
Every hour of driving uses 3 gallons of gas. Use a table to find how many gallons of gas would be used if driving for 15 hours
You have installed windows server 2008 and had to provide a new driver fi le for the disk drives in your computer. now it seems like the disk drives are not res