Mathematics, 12.12.2019 05:31 yourgirlmaya
Aseries contains 18 numbers and has a sum of 4,185. the last number of the series is 275. what is the first number?
Answers: 2
is the first term and 
is the common difference between terms.
, you have
(with 
).
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Aseries contains 18 numbers and has a sum of 4,185. the last number of the series is 275. what is th...
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