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July 29, 2014

July 29, 2014

Posted by **Kelly** on Sunday, December 9, 2007 at 12:44pm.

find a11: 12, 10, 8,...

- Calculus -
**Damon**, Sunday, December 9, 2007 at 3:16pmThe first term is a1

Every subsequent term is a constant number d greater than the one before so it goes:

a1

a2 = a1 + d

a3 = a1 + 2d

a4 = a1 + 3d

a5 = a1 + 4d

.....

an = a1 + (n-1)d

for example

a14 = a1 + 13*d

- Calculus -
**Kelly**, Sunday, December 9, 2007 at 7:05pmmakes no sense thats how i was doing it and I came up with 3.5

a11 = 12 + 10(.8444) = 3.5

however the answers to choose from are

.32

-8

-10

.34

- Calculus -

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