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December 21, 2014

December 21, 2014

Posted by **Tenacious** on Saturday, January 21, 2012 at 4:30am.

- Mathematics -
**Reiny**, Saturday, January 21, 2012 at 9:33ama+9d = 17

a+15d = 44

subtract them

6d = 27

d = 4.5

then a = 17-9(4.5) = -23.5

sequence starts as

-23.5 , -19 , -14.5 ...

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