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anonymous

  • one year ago

12.) Find the volume of the cylinder in terms of pi.

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    my answer: 54 pi in. ^3. Is that correct?

  3. anonymous
    • one year ago
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    19.) A spherical balloon has a circumference of 23 cm. What is the approximate surface area of the balloon to the nearest square centimeter? my answer: 674 cm^2. Is that correct?

  4. anonymous
    • one year ago
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    Your first answer is correct. Well done.

  5. anonymous
    • one year ago
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    Thank you.

  6. anonymous
    • one year ago
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    For the second question, circumference is given by\[C = 2 \times \pi \times r\]Rearranging, you can determine the radius using\[r = \frac{ C }{ 2\pi } \]With the radius known, the surface area of a sphere is calculated using\[SA _{\text{sphere}} = 4\pi r^2\]

  7. anonymous
    • one year ago
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    I do not get the same answer as you did for the second question.

  8. anonymous
    • one year ago
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    @Loser66 is the answer

  9. anonymous
    • one year ago
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    415 cm^2

  10. anonymous
    • one year ago
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    Did you determine the radius?

  11. anonymous
    • one year ago
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    would the answer be in the thousands?

  12. anonymous
    • one year ago
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    The answer I get is smaller that either of your earlier answers. Can you explain how you arrived at these answers?

  13. anonymous
    • one year ago
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    Oh, I am sorry. its 168 cm^2

  14. anonymous
    • one year ago
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    Correct. Good job!

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