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

simplify (1/x) + (1/(x+h)
find the point on the y-axis that is equidistant from (6,1) (-2,-3)
the graph below shows the distribution of students grades on their last math test. Based on the Empirical rule, what percent of students made.. *btwn 80 n 85 o
If the length of each side of a square prism is ten feet. Find the total surface area of this object
Where did the Greeks believe that most gods lived
How is 3x-y=8 and x+2y=5 solved by combination (addition)?????
State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N,  a * a = a ,  for all a * N.(ii) If * is a
David helped his father stock the pond with baby catfish and blue gill. They put in a total of 75 fish. If the number of blue gill was doubled and the number of
A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?
Find 4 consecutive even integers where the product of the two smaller numbers is 72 less than the product of the two larger numbers?