A few days ago
Erin L

More Pre-Calc?

THe volume of a cube is 343 cubic cm. By what percentage (rounded to the nearest whole percent) should the length of each edge be increased in order to increase the volume of the cube by 40%?

Top 1 Answers
A few days ago
chasrmck

Favorite Answer

x^3=343

(rx)^3=.4(343)

r^3x^3=137.2

r^3*343=137.2

r^3=.4

r=.4^1/3 ≈74%

0