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Evaluate a sigma notation problem(in comment) PLEASE WILL GIVE MEDAL AND BECOME FAN!!! Answer Choices 36 216 432 29
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\[\sum_{n=1}^{12} 2n+5\]
@DARTHVADER2900 @snazzychazzy @StudyGurl14
hint: \[\sum_{i=1}^{n}i=\frac{n(n+1)}{2} \text{ and } \sum_{i=1}^{n}c=cn\]
That doesnt help
those are the formulas you need for this
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you can change some the variables if you like perhaps it will look more like my formula if you replace your n's with i's
\[\sum_{i=1}^{12}(2i+5)\]
apply the formulas I have given you
OH thanks I got 216
yeah
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