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OpenStudy (anonymous):
@campbell_st
OpenStudy (anonymous):
@ganeshie8
OpenStudy (willie579):
Hmm...
OpenStudy (willie579):
I'm guessing 4x = 64?
OpenStudy (willie579):
Idk. <:/
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OpenStudy (freckles):
I say you have a cube that is 2 units high, 2 units deep, and 2 units wide...
and x is number of cubic units...
|dw:1447050842496:dw|
can you count the number of little cubes that makes the 2 units high, 2 units deep, and 2 units wide cube?
OpenStudy (freckles):
if you have to get some building blocks to help you imagine
OpenStudy (anonymous):
8
OpenStudy (freckles):
right which is 2^3 right?
OpenStudy (anonymous):
yes
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OpenStudy (willie579):
4 x 4 x 4 = 64. =|
OpenStudy (anonymous):
Would the answer to my questions be 4x=64?
OpenStudy (anonymous):
3x*
OpenStudy (freckles):
which one of those equations say x is 64?
OpenStudy (anonymous):
For the question that I asked, would the solution be 3x=64?
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OpenStudy (freckles):
no x would be 64 divided by 3 there
OpenStudy (freckles):
we are looking for the equation that would give us x is 64
OpenStudy (freckles):
hint what is 4^3 equal to?
OpenStudy (anonymous):
4 x 16 = 64
OpenStudy (freckles):
\[4^3=64 \implies 4=\sqrt[3]{64}\]
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OpenStudy (anonymous):
4^3 is equal to 64
OpenStudy (freckles):
where 64 is what they called x...
\[4^3=x \implies 4=\sqrt[3]{x}\]
OpenStudy (anonymous):
So its the bottom right choice correct?
OpenStudy (freckles):
yes if I were to labeled these choices from A to D
I would say choice D
cube root of (x)=4
OpenStudy (freckles):
\[\sqrt[3]{x}=4\]
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OpenStudy (anonymous):
Ok thanks so much for taking me through the steps and showing me. I appreciate it. Can you help with one more? I will start a new thread