bewellplus.gsu.edu
Alexandra55 Alexandra55
  • 08-04-2015
  • Mathematics
Answered

The length of a rectangle is three times it's width. If the area of the rectangle is 147 metes squared, find its perimeter.

Verified Answer :

konrad509
konrad509 konrad509
  • 08-04-2015

\(l=3w\\ lw=147\\\\ 3w\cdot w=147\\ 3w^2=147\\ w^2=49\\ w=7\\\\ l=3\cdot7=21\\\\ p=2l+2w\\ p=2\cdot21+2\cdot7\\ p=42+14\\ p=56\)

Answer Link

Related Questions

1 2xy23x2y 213x2y9xy3
how would you convert 5 decades to months
Does the mass change if you make a block bigger or smaller
What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimeter 1increased evaporation of the
A car with a mass of 1320 kg is at the top of a 50 m hill 1 What is the velocity of the car 2 How much gravitational potential energy does it have at the top of
Did samuel de champlain have any siblings and if so what were their names
How did the Jesuits spread the Catholic faith among the masses aThey cared for the sick and worked for social justice bThey established convents for meditation
war in Mexico would be under the Command A Northern B Southern C Central D Pacific
how do you work out 5212h103
Find the digit that makes 343 divisible by 9 A8 B7 C5 D6