Seudónimo Seudónimo
  • 16-04-2017
  • Mathematics
contestada

A cube has a surface area of 486 square meters.

Find the volume of the cube.

Respuesta :

10HowardCh
10HowardCh 10HowardCh
  • 16-04-2017
486/6=81
Square root 81 = one side length = 9m
volume = 9^3 = 729
Answer Link
irspow
irspow irspow
  • 16-04-2017
The surface area of a cube is:

A=6s^2 so we can say:

s=√(A/6)=(A/6)^(1/2)

The volume of  a cube is:

V=s^3, using s found above we have:

V=(A/6)^(1/2)^3

V=(A/6)^(3/2), and A=486 so

V=(486/6)^(3/2)

V=81^(3/2)

V=729 m^3
Answer Link

Otras preguntas

Solve each equation -8a - 1=-23
Jana has a rectangular sheet of cardboard that measures 10 inches by 18 inches. What is the maximum number of 3-inch by 3-inch squares that she can cut from thi
A dog toy is on sale for 20% off the original price. If the original price of the toy is $11.50 what is the discounted price?
Colonel George Washington led a militia force into the Ohio Valley in 1754. What was the name of the fort that Washington built and was near the site of the fir
Can someone SMART redo these questions I mean I made a seven and I did all I could I need to know what went wrong
Why do the Mexican put petals on the ground?
Do your cells use food to directly power their various functions? Explain your answer.
8√8 can be written in the form 8∧k , Find the value of k??? 8√8 can also be expressed in the form m√ 2 where m is a positive integer , Find the value of m? rat
What is the sum of 3 sixteen and 2 nines
Why do the Mexican put petals on the ground?