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Posted by on Saturday, August 6, 2011 at 2:49pm.

What is the sum of a 10–term arithmetic sequence where the first term is 3 and the last term is 75?

  • arithmetic - , Saturday, August 6, 2011 at 4:25pm

    10*(3+75)/2

  • arithmetic - , Thursday, November 1, 2012 at 5:44pm

    IT IS CORRECT!

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