Let a1, a2, a3,..., an,... be an arithmetic sequence. In Problems 9-14, find the indicated quantities 10.

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Let a1, a2, a3,..., an,... be an arithmetic sequence. In Problems 9-14, find the indicated quantities
10. a1 = - 2; d = -3 ; a2 = ?; a3 = ?
12. a1 = 8; d = - 10;a15 = ?;S23 = ?
14. a1 = 203; a30 = 261; S30 = ?

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College Mathematics for Business Economics Life Sciences and Social Sciences

ISBN: 978-0321614001

12th edition

Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen

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Question Posted: Apr 14, 2016 08:47 AM

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Let a1, a2, a3,..., an,... be an arithmetic sequence. In Problems 9-14, find the indicated quantities 10.

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10 a 1 2 d 3 a 2 a1 d 2 3 5 a 3 a2 d ...View the full answer

College Mathematics for Business Economics Life Sciences and Social Sciences

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