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06-05-2017
Mathematics

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What is the common ratio of the following geometric sequence? 4/15, 2/5, 3/5, 9/10,27/20 A. 2/3 B. 3/2 C. 1/5 D. 4/15

Respuesta :

06-05-2017

The common ratio is that value which is the ratio between each term and the term preceding it. In this case:

(2/5)/(4/15)=(3/5)/(2/5)=(9/10)/(3/5)=r=1.5

So the common ratio in this case is 1.5 or if you prefer (3/2)

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