3 years ago

Find the 18th term of the sequence 5, 8, 11, 14, 17... 53 56 59

1 answer:

6 0

Adds 3 each time
first term is 5
an=a1+d(n-1)
d=common difference
a1=first term
an=5+3(n-1)
18th term
a18=5+3(18-1)
a18=5+3(17)
a18=5+51
a18=56
The answer is 56

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