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OpenStudy (anonymous):
Please help!...find Sn for the given arithmetic series. a1=22 d=-8 n=21 a. 1911 b. -1449 c.-2436 d. -1218
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OpenStudy (anonymous):
not sure what the question is sorry? a1 d=-8 n=21 ????????
OpenStudy (anonymous):
i have to solve for Sn (n is written below the S)
OpenStudy (anonymous):
Sn????? whats that?
OpenStudy (anonymous):
lol your asking the wrong person!
OpenStudy (anonymous):
will its a abbreviation for something ?
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OpenStudy (anonymous):
ok...Sn is abbreviation for finding "sequences!" here is the formula|dw:1343754276783:dw|
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