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Mathematics, 07.03.2020 18:37 stjuliendeja

Petra records the score in each test she takes.

The mean of the first n scores is x.
The mean of the first (n-1) scores is (x+1).

Find the nth score in terms of n and x. Give your answer in its simplest form.

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Answers: 2

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Petra records the score in each test she takes.

The mean of the first n scores is x.
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