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Use the recursive formula to answer the question. a(1)=20 a(n)=a(n)-1-5 What is the 4th term in the sequence?

Use the recursive formula to answer the question. a(1)=20 a(n)=a(n)-1-5 What is the 4th term in the sequence?
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4 votes
Use the recursive formula to answer the question.

a(1)=20 a(n)=a(n)-1-5

What is the 4th term in the sequence?

asked
User Kamaro
by
8.0k points

1 Answer

4 votes

Answer:

5

Explanation:


\tt a_n=a_(n-1)-5\\\\ a_1=20\\a_2=a_1-5=20-5=15\\a_3=a_2-5=15-5=10\\a_4=a_3-5=10-5=5

answered
User Swagatika
by
8.1k points
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