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what is the 12th term of the following arithmetic sequence -7,4,15,26...?​

Sagot :

Answer:

114

Step-by-step explanation:

an = d (n-1) + a1

a12 = 11 (12-1) + (-7)

a12 = 11 (11) - 7

a12 = 121 - 7

a12 = 114