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Which term of the sequence 20, 19 1/4, 18 1/2, 17 3/4, ..., is the first negative term?

 Aug 11, 2021
 #1
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Common d = -  3/4

 

20 + (-.75)n < 0

.75n > 20

n> 26.66             The  27th

 Aug 11, 2021

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