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Marianna [84]
2 years ago
5

The 12th term of an arithmetic sequence is 36, and the common difference is 3. What is the first term of the sequence?

Mathematics
2 answers:
vesna_86 [32]2 years ago
7 0
The answer is c on edgunity
Arisa [49]2 years ago
3 0
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
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