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OpenStudy (anonymous):
Find the indicated term using the given information. a43 = 78, a40 = 72; a6
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OpenStudy (anonymous):
no idea how to solve this one...please help!
OpenStudy (tkhunny):
What are a43 and a40 and a6? Are those indexed terms of an Arithmetic Sequence?
OpenStudy (anonymous):
yes
OpenStudy (tkhunny):
Okay, how do successive terms of an arithmetic sequence compare to each other.
OpenStudy (tkhunny):
For example, a20 -a19 = something. How about a21 - a20. Something different or the same "something"?
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OpenStudy (dan815):
|dw:1377576321213:dw|
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