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OpenStudy (anonymous):
Identify the 35th term of an arithmetic sequence where a1 = -7 and a18 = 95
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OpenStudy (anonymous):
i think 197
OpenStudy (anonymous):
197
OpenStudy (angela210793):
a18=a1+(n-1)*d 95=-7+17d 17d=102 d=6 a35=a1+(n-1)*d=-7+34*6=197
OpenStudy (angela210793):
Arithmetic progression: a2-a1=d an=a1+(n-1)*d Sn=(a1+an)*n/2 these r the formulas please try to solve the problems by urself 1st...
OpenStudy (anonymous):
i just told you that i do, and then i check them because im taking quizes and i wanna make sure that i have the right answer.
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OpenStudy (angela210793):
ok...didn't know tht sorry
OpenStudy (anonymous):
its okay i appreciate everyones help you guys are awesome !
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