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01-07-2020
Mathematics

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Find the 87th term of the arithmetic sequence -19, -13, -7,...

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thetide5 thetide5

01-07-2020

Answer: 497

Step-by-step explanation:

The formula for this sequence is (x+6), and since the first three terms are given, you only need to find the last 84 terms.

Multiply 6 by 84

6 * 84 = 504

Now subtract 7 from 504 since -7 is the third term.

504 - 7 = 497

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