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

Who was Ulysses S. Grant?

make a similes to describe a worm.

A photon has an energy of 2.93 × 10 to the power of -25 J. What is its frequency? What type of electromagnetic radiation is this photon?

Which of the following was true of the Know-Nothing party? A. It rejected nativism. B. It focused on containing the expansion of slavery. C. It wanted to und

hohow would you express 0.6 as a fraction or a decimal or percent in lowest termsthe 6 is repeted

How to write 354.3 in scientific notation?

The area of a circle is to be computed by measuring the radius. The actual radius is r=2.67, but it was measured with an error. It was measured to be r= 2.69 a)

How to start learning c++?

5/8m - 3/8 = 1/2m + 7/8 solve

at a certain instant an object is moving to the right with speed 1.0 m/s and has a constant acceleration to the left of 1.0 m/s^2. at what later time will the o