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OpenStudy (anonymous):
Find an equation for the nth term of the arithmetic sequence. -13, -8, -3, 2, ...
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OpenStudy (anonymous):
an=-13 +(n-1)5
OpenStudy (anonymous):
doo you know this one Write the sum using summation notation, assuming the suggested pattern continues. -3 + 6 + 15 + 24 + ... + 132
OpenStudy (anonymous):
16X(-3+132)/2 = 129x8 =
OpenStudy (anonymous):
just multiply 129 and 8 thats the result
OpenStudy (anonymous):
|dw:1391480645219:dw|
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