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OpenStudy (anonymous):
possible?
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OpenStudy (anonymous):
Help please
OpenStudy (anonymous):
259.667, trust me, I'm a genius.
OpenStudy (campbell_st):
so the 1st term is a = -1/3 n = 41 and the common difference is 2 so the sequence is -1/3, 5/3, 11/3, 17/3 .....
OpenStudy (anonymous):
Do we just plug in into the rule?
OpenStudy (anonymous):
Um The answer is 259.667
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OpenStudy (campbell_st):
what is the common difference d
OpenStudy (campbell_st):
use the formula \[s _{n} = n/2(2a + (n -1)d)\]
OpenStudy (anonymous):
|dw:1334615543310:dw|
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