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Posted by on Friday, December 9, 2011 at 11:08am.

Find the 265th term of an arithmetic sequence whose second term is 5/8 and whose 9th term is 71/24 pls help asap

  • math - , Friday, December 9, 2011 at 11:26am

    a+d = 5/8
    a + 8d = 71/24
    subtract
    7d = 7/3
    d = 1/3
    then in a+d = 5/8
    a = 5/8 - 1/3 = 7/24

    term 265 = a + 264d
    =7/24 + 264/3 = 2119/24

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