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anonymous

  • 5 years ago

PLEASE HELP ME :) If the sphere shown above has a radius of 1 unit, then what the volume of half the sphere. A.) 2π/3 cubic units B.) 8π/3 cubic units C.)4π cubic units D.) 4π/3 cubic units When you click on the question you will see the picture that goes with it. Please help me

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    it would be 3.14 times 2

  3. anonymous
    • 5 years ago
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    6.28

  4. anonymous
    • 5 years ago
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    so what would the answer be

  5. anonymous
    • 5 years ago
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    You can work it out. The volume of a sphere is\[(4/3)\pi r ^{3}\]You are seeking half volume.

  6. anonymous
    • 5 years ago
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    oh so it's D?

  7. anonymous
    • 5 years ago
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    You are just guessing. Try and do the work.

  8. anonymous
    • 5 years ago
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    but you posed 4/3 and thats one of my chocies....Do it divide it?

  9. anonymous
    • 5 years ago
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    The volume of a sphere is equal to that radius one. You are seeking half volume, half. Don't guess because it looks right, do the work.

  10. anonymous
    • 5 years ago
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    i am cocnfused whats have of 4/3

  11. anonymous
    • 5 years ago
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    Half means multiply by 1/2; or divide by 2. Half of 100 is 50, half of 2 is 1.

  12. anonymous
    • 5 years ago
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    i got .66666 when i multiply it

  13. anonymous
    • 5 years ago
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    Your answer choices are in what is called exact figures which means most of the time you can do it without calculator and keep figures like pi. So it simply means dividing 4 by 2.

  14. anonymous
    • 5 years ago
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    oh so it's 2

  15. anonymous
    • 5 years ago
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    and the only chocie that has 2 is A...so the answer is A?

  16. anonymous
    • 5 years ago
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    is that right ?:)

  17. anonymous
    • 5 years ago
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    You've worked it out. Rely on your work. Have confidence in your answer. Move on to the other one.

  18. anonymous
    • 5 years ago
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    So yes its A... I am confident but i what to make sure?

  19. anonymous
    • 5 years ago
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    So yes its A... I am confident but i what to make sure?

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