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OpenStudy (anonymous):

what is n, in the formula a(n)=a1(n-1)d

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OpenStudy (anonymous):

the number of terms?

OpenStudy (anonymous):

but where is the "+"?

OpenStudy (anonymous):

idk

OpenStudy (asnaseer):

this looks like the formula for getting the n'th term of an arithmetic sequence (or progression). this site might help you understand this better: http://en.wikipedia.org/wiki/Arithmetic_progression

OpenStudy (anonymous):

n is any term numbers that you plug in. Take a look at this and let me know. http://www.mathwords.com/a/arithmetic_sequence.htm

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OpenStudy (anonymous):

oka thhank ypu

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