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OpenStudy (salina):
http://imageshack.us/photo/my-images/824/page679.jpg/ I need help number 11 please!
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OpenStudy (anonymous):
\[\sum_{k=3}^{15}( 14 - 2k )\]
OpenStudy (anonymous):
\[\sum_{k=3}^{15} 14 - \sum_{k=3}^{15} 2k\]
OpenStudy (salina):
How you find the sum?
OpenStudy (anonymous):
This will bring us \[14( 13) - 2(3 + 4+5+6...+15)\]
OpenStudy (anonymous):
-52
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OpenStudy (salina):
I don't gget it can you show me step by step. Please. Thank
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