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katlynnn

  • 2 years ago

please help

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  1. katlynnn
    • 2 years ago
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    Select one: a. h = 12 and r = 4 b. h = 6.75 and r = 4.5 c. h = 6.75 and r = 2.25 d. h = 12 and r = 8

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  2. hartnn
    • 2 years ago
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    you just need to scale things by the given factor. \(new = k \times old\) here, k=4/3 old height =9 new hight = 4/3 * 9 =... ?

  3. katlynnn
    • 2 years ago
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    so whats the answer? @hartnn

  4. hartnn
    • 2 years ago
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    you just need answers ?? also, the answer is in front of you! just do, (4/3)*9 for height

  5. katlynnn
    • 2 years ago
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    i got 12 as the height but how do i find the radius?

  6. katlynnn
    • 2 years ago
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    @hartnn

  7. hartnn
    • 2 years ago
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    good! h=12 is correct do same thing for radius old radius = old diameter /2 = 6/2 = 3 new radius = k* old radius = (4/3)*3 =... ?

  8. katlynnn
    • 2 years ago
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    i got 6 this time @ hartnn

  9. katlynnn
    • 2 years ago
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    @hartnn

  10. katlynnn
    • 2 years ago
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    nvm itd 4

  11. hartnn
    • 2 years ago
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    no, no.... \(\large \dfrac{4}{\cancel 3}\times\cancel 3=4\) yes! 4

  12. katlynnn
    • 2 years ago
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    ok thank you

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