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anonymous

  • 5 years ago

S=π (1.5) √((1.5)^2+(4)^2) how to you solve this to get the answer?

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  1. anonymous
    • 5 years ago
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    S=π 1.5 √(1.5^2+4^2) actually its like this

  2. anonymous
    • 5 years ago
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    just break it into steps: \[1.5^2 + 4^2\] then sqrt it. then multiply it by 1.5 and then if you are looking for a decimal answer multiply in your \[\pi\]

  3. anonymous
    • 5 years ago
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    I tried that but I keep getting the wrong answer? one time I got 4.6 then another time 0 and the answer is supposed to be 20.13n^2

  4. anonymous
    • 5 years ago
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    Okay, what do you get when you plug in \[1.5^2\] and \[4^2\] and when you add them.

  5. anonymous
    • 5 years ago
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    18.25

  6. anonymous
    • 5 years ago
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    yeah, now whats the sqrt of that?

  7. anonymous
    • 5 years ago
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    333.06

  8. anonymous
    • 5 years ago
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    Err I meant the square root of 18.25\[\sqrt(18.25)\] not \[18.25^2\]

  9. anonymous
    • 5 years ago
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    4.3

  10. anonymous
    • 5 years ago
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    right, now take that times 1.5 and \[\pi\]

  11. anonymous
    • 5 years ago
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    ok how would I write that Im not doing something write I came up with zero again

  12. anonymous
    • 5 years ago
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    plug \[4.3* \pi *1.5 \]into your calculator

  13. anonymous
    • 5 years ago
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    got 6.45\[\pi\]

  14. anonymous
    • 5 years ago
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    which is correct, you could also use 3.14 * \[\pi\]

  15. anonymous
    • 5 years ago
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    Ok Im confused then how do I get the 20.13n^2 answer

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