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anonymous

  • one year ago

Diana received 65 points on a project for school. She can make changes and receive three-tenths of the missing points back. She can do this 10 times . Create the formula for the sum of this geometric series, and explain your steps in solving for the maximum grade Diana can receive.

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  1. anonymous
    • one year ago
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    @phi

  2. anonymous
    • one year ago
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    @ganeshie8

  3. anonymous
    • one year ago
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    @geerky42

  4. anonymous
    • one year ago
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    hi

  5. anonymous
    • one year ago
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    hey

  6. anonymous
    • one year ago
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    @tkhunny

  7. anonymous
    • one year ago
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    Can you help me?

  8. anonymous
    • one year ago
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    ok

  9. anonymous
    • one year ago
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    use a calculator .... (3/10)^10

  10. anonymous
    • one year ago
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    0.0000059049

  11. anonymous
    • one year ago
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    yes

  12. anonymous
    • one year ago
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    But I have to make the formula for the sum of the geometric series

  13. anonymous
    • one year ago
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    I came up with A_n = 100 - 35(.7)^(n-1)

  14. tkhunny
    • one year ago
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    This problem cannot be solved as stated. How many points are possible? Is it 100? No Correction: 65 One Correct: 65 + 0.3*(35) Two Corrections: 65 + 0.3*35 + 0.3*(100-(65 + 0.3*(35))) Work it out. See where it goes.

  15. anonymous
    • one year ago
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    There are 100 points possible

  16. anonymous
    • one year ago
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    35(3/3/10+3/10+3 3/10 10

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spraguer (Moderator)
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