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OpenStudy (anonymous):
find a40 when a1=8 and d=5 ; i got 203, correct?
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OpenStudy (anonymous):
\[a _{n}=a _{1}+(n-1)d\]
OpenStudy (anonymous):
^ that's the formula i'm using for nth term of an arithmetic sequence
OpenStudy (anonymous):
yes you have it \[a_{40}=8+(39)\times 5\]
OpenStudy (anonymous):
suhweet
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