Wednesday

April 16, 2014

April 16, 2014

Posted by **how do i start working on this problem** on Friday, April 6, 2012 at 2:38pm.

The volume of the second cylindrical pipe is how many times greater than the volume of the first cylindrical pipe?

A.3

B.4

C.5

D.8

- Geometry -
**Steve**, Friday, April 6, 2012 at 2:52pmsince C=2pi*r, the radius of the 2nd pipe is 20π/2π = 10

so, the 2nd pipe has radius twice the 1st pipe.

If linear dimensions scale by n,

area scales by n^2

volume scales by n^3

So, now you have what you need.

- Geometry -
**Anonymous**, Thursday, June 7, 2012 at 2:21pm8

- Geometry -
**Anonymous**, Thursday, March 27, 2014 at 8:01pm8

**Related Questions**

Geometry - Determine whether each statement is always, sometimes, or never true...

algebra - The volumes of two cylindrical cans of the same shape vary directly as...

Geometry - Two straight pipes intersect under a circular garden and intercept ...

Math - Six pipes each having a radius of 0.5 feet are stacked in a triangular ...

geometry - A propane tank is in the form of a cylinder with two half-spheres, ...

Math - The time needed to empty a vertical cylindrical tank varies directly as ...

physics - The concepts that play roles in this problem are similar to those in ...

Stats - The Ledd Pipe Company has received a large shipment of pipes, and a ...

Geometry - A cone and cylinder both have a radius of 3 inches and a height of 6 ...

Physics - The 3.0 cm-diameter water line splits into two 1.0cm-diameter pipes. ...