nolandk nolandk

26-01-2017
Mathematics

contestada

what's an explicit equation for 3741, 3702, 3663, …

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Tomathon101 Tomathon101

26-01-2017

the nth equation is 3780 - 39n

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Аноним Аноним

17-09-2018

Hello there!

117, 23.4, 4.68, …

23.4/117 = 234/1170 = 0.2

4.68/23.4 = 468/2340 = 0.2

So it's a geometric sequence with a1 = 117 and r = 0.2

an = a1rn-1

an = 117(0.2)n-1

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