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OpenStudy (anonymous):
HEELPP!!!! Find the first five terms of the arithmetic series with t12 = 35 and S20 = 610
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OpenStudy (anonymous):
|dw:1386727008434:dw|
OpenStudy (anonymous):
What does the a stand for?
OpenStudy (anonymous):
a is your t
OpenStudy (anonymous):
So the formula could be " tn = a + (n-1) d " ??
OpenStudy (anonymous):
Would t also be the n in the equation?
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OpenStudy (anonymous):
tn=t1+(n-1)*d
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