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Mathematics 15 Online
OpenStudy (anonymous):

Find the sum of the arithmetic series, diagram in comments. Will follow/medal. PLEASE I NEED HELP.

OpenStudy (anonymous):

|dw:1407621587735:dw|

OpenStudy (anonymous):

@Gin_Ichimaru

OpenStudy (inkyvoyd):

\(\Large \sum_{n=1}^{15} (\frac{n}{2}+4)\) correct?

OpenStudy (anonymous):

yea @inkyvoyd

OpenStudy (asnaseer):

can you see how this can be simplified as follows: |dw:1407624119788:dw|

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