Question

In an arithmetic sequence with a1=4 and d=9, which term is 184?

Answer 1

Answer:

n=21

Step-by-step explanation:

an= a+(n-1)d

184= 4+(n-1)*9

184-4= (n-1)*9

180/9 = n-1

20 = n-1

20+1 = n

n= 21