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3 years ago

12

You are required to choose two topics from a list of five to write about on your science test. How many different pairings are p

ossible?

2 answers:

babunello [35]3 years ago

8 0

There are many 20 different pairings possible.

marissa [1.9K]3 years ago

7 0

A B C D E represent the subjects

A+A1

A+B2

A+C3

A+D4

A+E5

B+B6

B+C7

B+D8

B+E9

C+C10

C+D11

C+E12

D+D13

D+E14

E+E15

15 combos

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Step-by-step explanation:

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