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anonymous

  • one year ago

Two similar cylinders have a scale factor of 1.6/3. Find their volumes

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  1. jdoe0001
    • one year ago
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    \(\cfrac{1.6}{3}?\)

  2. anonymous
    • one year ago
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    A) 512/3375 B) 64/225 C) 81/121 D) 64/81

  3. anonymous
    • one year ago
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    its not a decimal

  4. jdoe0001
    • one year ago
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    \(\bf \begin{array}{llll} &area&volume \\\hline\\ \textit{scale factor}=\cfrac{side1}{side2}=&\cfrac{(side1)^2}{(side2)^2}=&\cfrac{(side1)^3}{(side2)^3} \end{array}\) what do you think?

  5. anonymous
    • one year ago
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    i dont know the sides so i dont know

  6. jdoe0001
    • one year ago
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    \(\begin{array}{llll} &area&volume \\\hline\\ \textit{scale factor}=\cfrac{1.6}{3}=\cfrac{side1}{side2}=&\cfrac{(side1)^2}{(side2)^2}=&\cfrac{(side1)^3}{(side2)^3} \end{array}\) how about now?

  7. anonymous
    • one year ago
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    0.53

  8. jdoe0001
    • one year ago
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    well.. what does the fraction for the volume give you?

  9. anonymous
    • one year ago
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    is 1.6 what i plug in for side1?

  10. anonymous
    • one year ago
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    @jdoe0001 i keep getting 0.15 but thats not a fraction

  11. jdoe0001
    • one year ago
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    hmmm

  12. jdoe0001
    • one year ago
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    right... wondering where the 0.15 is coming from you're not using a calculator by any chance? the result will be a fraction btw and yes, a calculator will give you the decimal form but get the fraction firstly what do you get for \(\bf \cfrac{1.6^3}{3^3}?\)

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