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Mathematics 10 Online
OpenStudy (anonymous):

The picture below shows a container that Jeff uses to freeze water. What is the minimum number of identical containers that Jeff would need to make 2000 cm3 of ice? (Use π = 3.14.) a. 8 b. 4 c. 2 d. 16

OpenStudy (anonymous):

OpenStudy (anonymous):

2000/volume of container which is v=pi*r^2*h

OpenStudy (anonymous):

This is because the volume of ice is 2000, indicated by the cm^3

OpenStudy (anonymous):

solution?

Directrix (directrix):

The volume of the cylinder is π*r²*h = π*4²*10 cubic centimeters, assuming that the cylinder dimensions are given in centimeters. The cylinder volume is 160π which is approximately 502.4 cubic cm.

Directrix (directrix):

2000 divided by 502.4 = ? @lowcard2

OpenStudy (anonymous):

2.512?

OpenStudy (anonymous):

*3.98

OpenStudy (anonymous):

You have to round that off since it says the minimum number and that isn't an option. The closest number greater than 3.98 is 4.

OpenStudy (anonymous):

oh I see thank you both!

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