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Mathematics
Asia Mendez
31 December, 09:11
Find the 12th term of the sequence - 15,-9,-3, 3
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Fernanda Jacobson
31 December, 09:57
0
First term (a) = - 15
common difference (d) = - 9 - (-15)
= - 9+15=6
So,
12th term (a12) = a + (n-1) d
= - 15 + (12-1) * 6
= - 15 + 11*6
= - 15+66
= 51
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