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OpenStudy (anonymous):
Find ∑(5 – 2k) when k goes from 2 to 7.
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OpenStudy (isaiah.feynman):
\[= [5-2(2)] + [5-2(3)] + [5-2(4)] + [5-2(5)] + [5-2(6)] + [5-2(7)]\]
OpenStudy (anonymous):
ohhhh hahah:D so simple thanks!
OpenStudy (anonymous):
\[\Sigma\] just means "sum"
OpenStudy (anonymous):
thaks for the input
OpenStudy (anonymous):
yw
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