SOLUTION: a diagram shows a metal cylinder.
the cylinder has base radius of 2x and the height 9x.
the cylinder is melted down and made into a sphere of radius r.
find an expression for r
Algebra.Com
Question 844032: a diagram shows a metal cylinder.
the cylinder has base radius of 2x and the height 9x.
the cylinder is melted down and made into a sphere of radius r.
find an expression for r in terms of x.
thankyou i really appreciate it!
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
volume of the cylinder
h*pi*r^2
9x*pi*(2x)^2=
36 pi x^3
volume of a sphere is pi*r^3
pi*r^3=36 pi x^3
r^3=36x^3
RELATED QUESTIONS
A metal sphere of radius 15 centimeters is melted down and recast into a solid cylinder... (answered by Jc0110)
a metal sphere with a radius of 3 cm is melted down and formed into a cylinder with a... (answered by josgarithmetic)
A solid metal cylinder B has volume 216cm^3.
-Calculate the volume of a cylinder which... (answered by ikleyn)
A solid metal cylinder of height 1.2 metres and diameter 0.8 metres is melted down and... (answered by josgarithmetic)
A solid metal cylinder of radius 6 cm and height 18 cm is melted down and recast as a... (answered by ankor@dixie-net.com)
A solid cylinder has height 12cm and radius of the base is 7cm.Two hemisphere of the same (answered by josgarithmetic)
Cylinder A has radius 4 times the radius of cylinder B, and height 4 times the height of... (answered by ikleyn)
A solid metallic cylinder of base 5cm and height half of 360 .Ti is melted to form one... (answered by ikleyn)
A solid cylinder of gold, height 14cm and base radius 8cm, is melted down and cast as a... (answered by josgarithmetic)