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enya.gold

  • one year ago

Determine the geometric mean of 5 and 8.

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  1. enya.gold
    • one year ago
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    \[\frac{ 5 }{ x } = \frac{ x }{ 8 }\]

  2. marsss
    • one year ago
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    40=4*10 sqrt40=sqrt(4*10) sqrt40=sqrt4*sqrt10 sqrt40=2*sqrt10

  3. enya.gold
    • one year ago
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    Cross multiply. \[x^{2} = 40\] Where does the 10 come in? Did you divide?

  4. Kitt020912
    • one year ago
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    2 sqrt(10)~~6.32456

  5. enya.gold
    • one year ago
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    I see. You eliminated the exponent and then square root 40. Okay, got it. :)

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