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anonymous

  • one year ago

Find two geometric means between 7 and 875.

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  1. amilapsn
    • one year ago
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    \[\Large\sf{7,*,*,875}\]

  2. anonymous
    • one year ago
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    I know that much. But what do I do next?

  3. jim_thompson5910
    • one year ago
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    In the first blank will go 7r where r is the common ratio in the next blank will go 7r*r = 7r^2 agreed?

  4. anonymous
    • one year ago
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    yes

  5. jim_thompson5910
    • one year ago
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    the next term after 7r^2 is 7r^2*r = 7r^3 we know that term is 875, so, 7r^3 = 875

  6. jim_thompson5910
    • one year ago
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    solve 7r^3 = 875 for r and use that to compute 7r and 7r^2

  7. anonymous
    • one year ago
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    is it 35 and 175?

  8. jim_thompson5910
    • one year ago
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    very good

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