Mathematics, 26.10.2021 02:00, lathwkuster
Give a1, a2, a3, ..., aN are arithmatic sequence. If a1 + a2 + a3 + ... + a20 = 13 and a1 - a2 + a3 - a4 +... + a19 - a20 = 17. Find the common ratio.
Answers: 1
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The probability brenda will recieve a telemarketing call is 15%. if she gets 20 calls a day, how many can she expect to be telemarketing calls?
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Give a1, a2, a3, ..., aN are arithmatic sequence. If a1 + a2 + a3 + ... + a20 = 13 and a1 - a2 + a3...
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