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Mathematics 22 Online
OpenStudy (anonymous):

Evaluate a sigma notation problem(in comment) PLEASE WILL GIVE MEDAL AND BECOME FAN!!! Answer Choices 36 216 432 29

OpenStudy (anonymous):

\[\sum_{n=1}^{12} 2n+5\]

OpenStudy (anonymous):

@DARTHVADER2900 @snazzychazzy @StudyGurl14

myininaya (myininaya):

hint: \[\sum_{i=1}^{n}i=\frac{n(n+1)}{2} \text{ and } \sum_{i=1}^{n}c=cn\]

OpenStudy (anonymous):

That doesnt help

myininaya (myininaya):

those are the formulas you need for this

myininaya (myininaya):

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

myininaya (myininaya):

\[\sum_{i=1}^{12}(2i+5)\]

myininaya (myininaya):

apply the formulas I have given you

OpenStudy (anonymous):

OH thanks I got 216

myininaya (myininaya):

yeah

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