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anonymous
 one year ago
Find an equation for the nth term of the arithmetic sequence.
a19 = 58, a21 = 164
an = 896  53(n  2)
an = 896  53(n  1)
an = 896 + 53(n + 1)
an = 896  53(n + 1)
anonymous
 one year ago
Find an equation for the nth term of the arithmetic sequence. a19 = 58, a21 = 164 an = 896  53(n  2) an = 896  53(n  1) an = 896 + 53(n + 1) an = 896  53(n + 1)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now you have to find a1 and d. d is like slope, and you can think of the numbers as points, so use something like the slope equation dw:1435788072594:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so it would be 146  58 / 21 19 = 44

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh you used 146 instead of 164

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0then use the a_n formula to solve a_1 dw:1435788320276:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so it would be a1=16453(20)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and then reduce that to get a number for a1

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so the answer would be an=89653(n1)?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok thank you so much!
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