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The 12th term of an arithmetic sequence is 36, and the common difference is 3. What is the first term of the sequence? A. 1 B. 2 C. 3 D. 4

The 12th term of an arithmetic sequence is 36, and the common difference is 3. What is the first term of the sequence? A. 1 B. 2 C. 3 D. 4
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The 12th term of an arithmetic sequence is 36, and the common difference is 3. What is the first term of the sequence?

A. 1
B. 2
C. 3
D. 4

User Karl The Pagan
by
7.8k points

2 Answers

4 votes
the answer is c on edgunity
User Vladislav Varslavans
by
8.4k points
2 votes
an=a1+d(n-1)
d=3
a12=36

a12=a1+3(12-1)
36=a1+3(11)
36=a1+33
minus 33 both sides
3=a3


C is answer
User Sigug
by
8.6k points
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