h9ohannedicaldovaki h9ohannedicaldovaki

23-10-2016
Mathematics

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The radius of a spherical balloon is 1/2 foot. the radius of a second one is 3/4 foot. how do the volumes of the balloons compare?

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apologiabiology apologiabiology

25-10-2016

V=(4/3)r^3
first one
V=(4/3)(1/2)^3
V=4/24
V=1/6

V=(4/3)(3/4)^3
V=108/192
V=9/16

compare

1/6 to 9/16

16/96 compared to 54/96
well, the bigger ballon is 19/8 ft^3 bigger than smaller oe

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