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# help please

0
97
7

The length of each edge of a cube is decreased by 40%.By what percent does the volume of the cube decrease? Express your answer to the nearest tenth.

due : tonight at AoPS

Jun 4, 2020

### 7+0 Answers

#1
+179
-2

No. I refuse to help you do AoPS homework. If you are TRULY confused, there is an option to ask your peers.

Jun 4, 2020
#2
-1

X=original side

original volume= x *x*x= x^3
new volume = .6x * .6x * .6 x = .216x^3.     You should be able to take it from here,

Jun 4, 2020
#3
+179
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Bruh

Varxaax  Jun 4, 2020
#4
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well you already did it guest, now we can find what percentage 0.216x^3 is from x^3.

0.216/ 1 = 21.6%

NoWorkNeeded  Jun 4, 2020
#5
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1-.216 = 0.784= 78.4 % decrease

Guest Jun 4, 2020
#6
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What is the volume of a cube if the cube diagonal is decreased by 40%?

Guest Jun 4, 2020
#7
+1128
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$$78.4$$is the approximate value of $$\frac{60^3}{100^3}$$

Jun 4, 2020