USING FORMULA ON THE PHOTO, CONSTRUCT A SITUATION (WORD PROBLEM) AND SOLVE IT. ORIGINAL QUESTION ABOUT PERMUTATION OR COMBINATION USING THE FORMULA GIVEN. SHOW SOLUTION AND CORRECT ANSWER.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 40E
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USING FORMULA ON THE PHOTO, CONSTRUCT A SITUATION (WORD PROBLEM) AND SOLVE IT. ORIGINAL QUESTION ABOUT PERMUTATION OR COMBINATION USING THE FORMULA GIVEN. SHOW SOLUTION AND CORRECT ANSWER.

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FORMULA TO USE
n!
(n-r)!r!
nCr
=
n = 5
TOTAL NUMBER OF MODERATELY
DIFFICULT DANCE ROUTINES
r = 4
TAKEN 4 AT A TIME
SOLUTION AND ANSWER
n!
nCr =
(n-r)!r!
5C4 =
=
5!
(5-4)! 4!
5!
1!4!
5.4!
1.4!
5 different ways
Transcribed Image Text:FORMULA TO USE n! (n-r)!r! nCr = n = 5 TOTAL NUMBER OF MODERATELY DIFFICULT DANCE ROUTINES r = 4 TAKEN 4 AT A TIME SOLUTION AND ANSWER n! nCr = (n-r)!r! 5C4 = = 5! (5-4)! 4! 5! 1!4! 5.4! 1.4! 5 different ways
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