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anonymous

  • one year ago

help!

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  1. anonymous
    • one year ago
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    @Vocaloid

  2. anonymous
    • one year ago
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    A circular picture is 8 inches in diameter. Part A What is the area of the picture in square inches? A. 4π square inches B. 8π square inches C. 16π square inches D. 32π square inches Part B A frame that is 2 inches wide surrounds the picture. What is the total area of the picture and the frame in square inches? A. 4π square inches B. 12π square inches C. 36π square inches D. 40π square inches

  3. anonymous
    • one year ago
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    @Vocaloid

  4. anonymous
    • one year ago
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    \[A=\frac{ \pi d^2 }{ 4 }\] For the first one, substituted 8 for d and reduce

  5. anonymous
    • one year ago
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    for the second, a 2" frame increases the diameter by 4 b/c of 2" on each side. Substitute 12 for d

  6. anonymous
    • one year ago
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    @Vocaloid

  7. anonymous
    • one year ago
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    i got 36 pi for B but i dont know A

  8. anonymous
    • one year ago
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    they're exactly the same problem. Do 8^2 Then divide by 4

  9. anonymous
    • one year ago
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    @Vocaloid am i right?

  10. anonymous
    • one year ago
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    i got A for A

  11. anonymous
    • one year ago
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    It looks like you did 8*2 8^2 = 8*8

  12. anonymous
    • one year ago
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    im not ignoring her :) im listening and learning :)

  13. anonymous
    • one year ago
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    oh yea i did 8*2 sorry, let me re-do it

  14. anonymous
    • one year ago
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    i got 16 pi

  15. anonymous
    • one year ago
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    yes 16π and 36π

  16. anonymous
    • one year ago
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    ok thanks! i have a bunch more questions! can i tag you :)

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spraguer (Moderator)
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