OpenStudy (anonymous):

find a40 when a1=8 and d=5 ; i got 203, correct?

6 years ago
OpenStudy (anonymous):

\[a _{n}=a _{1}+(n-1)d\]

6 years ago
OpenStudy (anonymous):

^ that's the formula i'm using for nth term of an arithmetic sequence

6 years ago
OpenStudy (anonymous):

yes you have it \[a_{40}=8+(39)\times 5\]

6 years ago
OpenStudy (anonymous):

suhweet

6 years ago