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An arithmetic sequence has a common difference of 5 and the 3rd term is 15. What is the 5th term?

An arithmetic sequence has a common difference of 5 and the 3rd term is 15. What is the 5th term?
asked 52.5k views
5 votes
An arithmetic sequence has a common difference of 5 and the 3rd term is 15. What is the 5th term?

asked
User Maaajo
by
8.2k points

1 Answer

7 votes

Explanation:

Given,

d=5

a3=15

Now, a3=a+2d

= 15=a+10

= 15-10=a

= 5=a

a5=a+4d

= 5+20

= 25

answered
User Ferroao
by
8.0k points
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