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katiebugg
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help?!?!?!?!
find the variables not given
a1 = 10, r = 3, n = 5
 2 years ago
 2 years ago
katiebugg Group Title
help?!?!?!?! find the variables not given a1 = 10, r = 3, n = 5
 2 years ago
 2 years ago

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jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
This looks like a geometric sequence
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
an = a1*r^(n1) is the general formula
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
In this case, a1 = 10 and r = 3, so an = 10*3^(n1)
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
the nth term, an, in this case is the 5th term since n = 5 so a5 = 10*3^(51)
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
or an = 10*3^(51) when n = 5
 2 years ago

subjectgeek Group TitleBest ResponseYou've already chosen the best response.0
High school math or what?
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
so,dw:1343971838905:dw
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
does that make sense?
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
I'm assuming you want to find an right?
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
The term \(\Large a_{n}\)
 2 years ago

katiebugg Group TitleBest ResponseYou've already chosen the best response.1
yess its the one missing
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
\[\Large a_{n} = a_{1}r^{n1}\] \[\Large a_{n} = 10*3^{n1}\] \[\Large a_{n} = 10*3^{51}\] I'll let you finish
 2 years ago

katiebugg Group TitleBest ResponseYou've already chosen the best response.1
lol thanks
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
you're welcome, tell me what you get
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
you are correct
 2 years ago

katiebugg Group TitleBest ResponseYou've already chosen the best response.1
lol yay!!!!!! soo i just do that when looking for then An then lol
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
exactly
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
\(\Large a_{n}\) is the nth term. So in this case, when n = 5, \(\Large a_{n}\) is the 5th term Another way to say this \(\Large a_{5}\)
 2 years ago
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