12-05-2017
Mathematics

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In Mr Tarkiainens each student chooses two of the topics listed in the chart above for their papers how many different pairs can Juiliana choose

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cutelion918 cutelion918

12-05-2017

The answer is 90 different pairs.
So if there are 10 topics and each will get 9 pairings , so the over all pairs you will get is 90.

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