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abbie

  • one year ago

how do I get a real number from the square root of (4560)

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  1. anonymous
    • one year ago
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    It's 67.52777206

  2. anonymous
    • one year ago
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    What did you mean by 'real number'?

  3. dan815
    • one year ago
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    plus or minus 67.52777206

  4. zzr0ck3r
    • one year ago
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    We only use \(\pm\) when we "induce the" square root. \(\sqrt{4}=2\) \(x^2=4\implies x=\pm 2\) @dan815

  5. dan815
    • one year ago
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    oh true

  6. triciaal
    • one year ago
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    |dw:1441350162859:dw|

  7. triciaal
    • one year ago
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    I used the prime factorization of 4560 2*2*2*2*3*5*19 took the 2's out 4*15=60 and 4*19= 76 I know the root will be between 60 and 76 76 -60 =16 19-15 = 4 for every change by 1 number the root changes by 4 the average change is 2 so the root changes by 2*4 = 8 the square root is therefore 60 +8 = 68

  8. zzr0ck3r
    • one year ago
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    68*68 = 4624 @triciaal

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