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anonymous

  • one year ago

The diameter of one circle is represented by 12x. The diameter of another circle is represented by 6x square y. What is the radii of the two circles. A.2 xsquare y B. 2x:y C. x:2y D. 2:xy

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  1. anonymous
    • one year ago
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    The radius is half of the diameter. So the first step is to halve the diameters of both circles.

  2. anonymous
    • one year ago
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    ok, 6 and 3x

  3. anonymous
    • one year ago
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    Close. It would be \(6x\) and \(3x\sqrt{y}\)

  4. anonymous
    • one year ago
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    I don't understand the next step

  5. anonymous
    • one year ago
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    I am thinking my answer should be B. 2x;y for the ratio

  6. anonymous
    • one year ago
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    Well it seems that they want you to simplify. It would look like this \[\large \frac{6x}{3x\sqrt{3}}\]

  7. anonymous
    • one year ago
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    ok

  8. anonymous
    • one year ago
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    So can you simplify that?

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spraguer (Moderator)
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