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anonymous

  • one year ago

Please Help, Very Stuck

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  1. anonymous
    • one year ago
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    What is the sum of the arithmetic series (-15)+0+15+30+...+195

  2. anonymous
    • one year ago
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    1,355 1,350 1,335 1,000 are my options. i think its C

  3. anonymous
    • one year ago
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    First, you need to find out how many numbers does the sequence contain by using this formula: an = a1+(n-1)d

  4. anonymous
    • one year ago
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    i honestly have no idea how to do any of this..

  5. anonymous
    • one year ago
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    Nvm i got it..

  6. anonymous
    • one year ago
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    The answer is B

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