elun200121 elun200121

19-09-2019
Mathematics

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You are required to choose two topics from a list of six to write about on your science test. How many different pairings are possible? 10 20 12 15

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jcherry99 jcherry99

19-09-2019

Answer:

D or 15

Step-by-step explanation:

6C2

6!

======

(6 - 2)! 2!

6*5 / 2

15

The answer is D

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