Answers

2016-07-21T20:08:41+08:00
Andrei's height is currently 166cm. After a month he gain 2cm. What is his height after 8 months? A1=166cm d=2cm A8=? An= A1 + (n-1) d A8= 166cm + (8-1) 2 A8=166cm + (7)2 A8=166cm + 14 A8=180cm
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