gabiii7197 gabiii7197

17-09-2017
Mathematics

contestada

The length of a rectangle is five times its width. if the area of the rectangle is 405 yd2 , find its perimeter.

Respuesta :

artwale artwale

19-09-2017

L = 5W
A = LW = 405

plug in 5W FOR L
A = LW
A = (5W)W = 405
5W^2 = 405
W^2 = 405/5
W^2 = 81
Take the squareroot
w = 9

L = 5W
We now know W = 9
L=5(9)
L =45

P=2(L+W)
P =2(45 + 9)
P =108

Answer Link

Otras preguntas

Can someone help me with this plssss it would help so much! (IM GIVING LOTS OF POINTS!!!!!!!!

take a factor out of the square root √(3x^3/16)

write all tatios in their simplest form .... to make a certain drink, you need to mix 200mL of concentrate with1,2L of water . determine the ratio of convetrate

What is true of military service in the United States? A. It is an obligation of noncitizens and citizens alike. B. Some citizens, but not all, must register fo

Solve and explain thank you, Greatly appreciated

how did humayun died

100 POINTS Please Answer

Name the process that transfers carbon from plants to animals

(1 + cos theta + cos(theta/2))/(sin theta + sin(theta/2)) = cot(theta/2)

3. What is the "first second" in relation to the Big Bang theory? the formation of the Milky Way galaxy the beginning of the sun the moment the planets began th