Register

Which rule can you use to find the nth term of an arithmetic sequence in which the common difference is 5 and a12 = 63?

Which rule can you use to find the nth term of an arithmetic sequence in which the common difference is 5 and a12 = 63?
161k views
2 votes
Which rule can you use to find the nth term of an arithmetic sequence in which the common difference is 5 and a12 = 63?

User Myoshi
by
8.2k points

1 Answer

4 votes
tn = a + (n-1)d

when n = 12, tn = 63

63 = a + (12-1)*5

a = 63 - 55 =8

tn or an
= 8 + (n-1) 5

= 3 + 5n

Hope this helps
User Jeffsama
by
8.0k points
← Prev Question Next Question →

Related questions

User Roland Keesom
asked Jun 10, 2017 175k views
Write a rule for the nth term of the arithmetic sequence. d=2, a12=18. Please explain!
Roland Keesom asked Jun 10, 2017
by Roland Keesom
8.1k points
2 answers
4 votes
175k views
User Hamidreza Vakilian
asked Dec 7, 2017 124k views
Find an equation for the nth term of the arithmetic sequence. a10 = 32, a12 = 106
Hamidreza Vakilian asked Dec 7, 2017
by Hamidreza Vakilian
8.0k points
2 answers
4 votes
124k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!