The 15th term of an arithmetic series is
1 answer:
Answer:
-1557
Step-by-step explanation:
a+14d=143
a+12d=183
--------------------
2d= -40
d= -20
a=183+240=423
a(100th)= 423+99*-20=423-1980= -1557
I hope that help =)
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whenever u get old and feellike it is time to settle down and quit wrking for whatever company you were working for