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27-03-2020
Mathematics

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Work out the value of the first negative term of the sequence 25 - 3n

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PollyP52 PollyP52

27-03-2020

Answer:

-2.

Step-by-step explanation:

3n must be greater than 25 for the first negative term:

3n > 25

n > 25/3

n > 8 1/3.

So n = 9 and the first negative term is 25 - 3*9

= 25 - 27

= -2.

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