Algebra. Radicals and Rational Exponents.

label Algebra
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Apr 21st, 2015

since the volume is given,  

950 = 4/3 x 3.14 x r^3

we need to make r the subject of the formula 

3/4 x 950 = 4/3 x 3/4 x 3.14 x r^3 (multiply both sides with 3/4)

712.5 = 3.14 x r^3 

712.5/3.14 = 3.14/3.14 x r^3 (divide both side with 3.14

226.910828 =  r^3

cube root of 226.910828 = 6.09937

rounding to the nearest tenth ,

=6.1 inches 

Apr 21st, 2015

let me know if i have helped you my friend 

Apr 21st, 2015

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