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anonymous

  • 5 years ago

Can someone please help me i just don't get it? The volume of sphere w is approximatley 47.92π in^3. If the square factor from where w to x is 3 , what is the diameter of sphere x. A.) = 9.9 in B.)= 19.8 in C.)=143.75in D.)=4.4in

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  1. anonymous
    • 5 years ago
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    \[V = {4 \over 3} \pi r^3\]

  2. anonymous
    • 5 years ago
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    so its C

  3. anonymous
    • 5 years ago
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    Right?

  4. anonymous
    • 5 years ago
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    and can you explian

  5. anonymous
    • 5 years ago
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    you there ?

  6. anonymous
    • 5 years ago
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    i am, yeah.. and I don't think it's C. Would you please post your steps, so I can tell you, where you went wrong?

  7. anonymous
    • 5 years ago
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    lol sorry i met D but di i mutiply

  8. anonymous
    • 5 years ago
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    is D right?

  9. anonymous
    • 5 years ago
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    katie - i'm not telling you wheter it's right or not, cause you just want to have the correct answer and be lazy. I understand that - i hate maths, too! But please also understand that i'm not going to support you with that strategy, cause it wont work out in the end. I will however try and explain everything, IF you try to do it yourself and tell me/us where you got stuck etc etc...

  10. anonymous
    • 5 years ago
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    okay well can you explain it to me?

  11. anonymous
    • 5 years ago
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    well the formula for calculating the volume of a sphere is \[V = {4 \over 3} \pi r^3\] now look at the problem and tell me, what do you already know and what do you want in the end?

  12. anonymous
    • 5 years ago
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    to find x of 3

  13. anonymous
    • 5 years ago
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    What's x ?

  14. anonymous
    • 5 years ago
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    3

  15. anonymous
    • 5 years ago
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    you there

  16. anonymous
    • 5 years ago
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    thanks for the help :(

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