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anonymous

  • one year ago

help

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  1. anonymous
    • one year ago
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    ?

  2. anonymous
    • one year ago
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    |dw:1434415978932:dw|

  3. jim_thompson5910
    • one year ago
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    list out the factors of 20 1, 2, 4, 5, 10, 20 which factors are a perfect square?

  4. anonymous
    • one year ago
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    4

  5. jim_thompson5910
    • one year ago
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    so we can say \[\Large \sqrt{20} = \sqrt{4*5}\] \[\Large \sqrt{20} = \sqrt{4}*\sqrt{5}\] \[\Large \sqrt{20} = 2*\sqrt{5}\]

  6. anonymous
    • one year ago
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    ok

  7. jim_thompson5910
    • one year ago
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    do you see where to go from here?

  8. anonymous
    • one year ago
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    no lol

  9. jim_thompson5910
    • one year ago
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    |dw:1434416325773:dw|

  10. anonymous
    • one year ago
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    @peachpi

  11. jim_thompson5910
    • one year ago
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    |dw:1434416345748:dw|

  12. jim_thompson5910
    • one year ago
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    |dw:1434416363616:dw|

  13. jim_thompson5910
    • one year ago
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    so after that, the next step is |dw:1434416395563:dw|

  14. anonymous
    • one year ago
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    ohhh now i see

  15. jim_thompson5910
    • one year ago
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    think of the sqrt(5) as a variable, like x and you'll combine like terms (in a way)

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spraguer (Moderator)
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