AnswersCARE_24_25_TX-Mathematical Models with Applications BSample Space

Permutations and Combinations Answers

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1
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Simplify the expression 6C5.

A
6
B
24
C
30
D
720
2
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How many 2-letter combinations can be made from the letters A, B, C, and D?

A
4
B
6
C
8
D
12
3

The expression 3P2 represents the number of ways of:

A
choosing 2 items at a time from a set of 3.
B
choosing 3 items at a time from a set of 2.
C
arranging, in order, 2 items from a set of 3.
D
arranging, in order, 3 items from a set of 2.
4

The expression 3C2 represents the number of ways of:

A
choosing 2 items at a time from a set of 3.
B
choosing 3 items at a time from a set of 2.
C
arranging, in order, 2 items from a set of 3.
D
arranging, in order, 3 items from a set of 2.

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