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anonymous

  • 5 years ago

this experssion represents the volume of a sphere : x^3-8x^2+18x if x =4,what is the volume of the sphere show your work.

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  1. anonymous
    • 5 years ago
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    Just plug in 4 for x

  2. anonymous
    • 5 years ago
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    ok

  3. anonymous
    • 5 years ago
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    Do you have a calculator?

  4. anonymous
    • 5 years ago
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    yeah

  5. anonymous
    • 5 years ago
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    put in 4^3-8*4^2+18*4 and hit the enter or = sign

  6. anonymous
    • 5 years ago
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    what doy you get

  7. anonymous
    • 5 years ago
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    i got 42 cubic units

  8. anonymous
    • 5 years ago
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    You should get 8 did you type it in exactly like above... do you have the ^ key?

  9. anonymous
    • 5 years ago
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    how

  10. anonymous
    • 5 years ago
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    how?/////////////////////////////////

  11. anonymous
    • 5 years ago
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    4^3 = 64 -8^4^2 = -128 18*4 = 72 64 - 128 + 72 = 8

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