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Answered

How many terms are there in the arithmetic sequence if the first term is 25, the second term is 32 and the last term is 158? *

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ONGOSMIKKA14IN

Answer:

There are 20 terms in the arithmetic sequence.

Step-by-step explanation:

Its an arithmetic sequence
an=a1 + (n-1)d
a1=25  a2=32   d=a2-a1=32-25= 7
       an=25+(n=1)x7+158
                         n=20

I hope it helps:)

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