girlygir101 girlygir101

13-02-2018
Mathematics

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What is the 68th term of sequence below?
8.6, 7.2 ,5.8, 4.4......

Respuesta :

13-02-2018

[tex]d = - 1.4 \\ a1 = 8.6 \\ a68 = 8.6 - 1.4 \times 67 = - 87[/tex]

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Аноним Аноним

13-02-2018

Arithmetic sequence with common difference = -1.4

68th term = 8.6 + (68 -1)*-1.4 = -85.2

Answer Link

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