ivyblackwater ivyblackwater

21-07-2017
Mathematics

contestada

What is the 19th term of this sequence? The first term is –14. -14, -7, 0, 7, 14,...

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Hearing0 Hearing0

21-07-2017

Starting from the first term...
14, -14, -7, 0, 7, 14, -14, -7, 0, 7, 14, -14, -7, 0, 7, 14, -14, -7, 0
Zero is the 19th term.

I hope you are satisfied with my answer.

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amirreza688 amirreza688

21-07-2017

a19=a1+18d
a19=-14+126=112

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