anonymous
  • anonymous
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
it would be 3.14 times 2
anonymous
  • anonymous
6.28

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anonymous
  • anonymous
so what would the answer be
anonymous
  • anonymous
You can work it out. The volume of a sphere is\[(4/3)\pi r ^{3}\]You are seeking half volume.
anonymous
  • anonymous
oh so it's D?
anonymous
  • anonymous
You are just guessing. Try and do the work.
anonymous
  • anonymous
but you posed 4/3 and thats one of my chocies....Do it divide it?
anonymous
  • anonymous
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.
anonymous
  • anonymous
i am cocnfused whats have of 4/3
anonymous
  • anonymous
Half means multiply by 1/2; or divide by 2. Half of 100 is 50, half of 2 is 1.
anonymous
  • anonymous
i got .66666 when i multiply it
anonymous
  • anonymous
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.
anonymous
  • anonymous
oh so it's 2
anonymous
  • anonymous
and the only chocie that has 2 is A...so the answer is A?
anonymous
  • anonymous
is that right ?:)
anonymous
  • anonymous
You've worked it out. Rely on your work. Have confidence in your answer. Move on to the other one.
anonymous
  • anonymous
So yes its A... I am confident but i what to make sure?
anonymous
  • anonymous
So yes its A... I am confident but i what to make sure?

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