sog8jojo
20.05.2020 •
Mathematics
7 students are running for student counsel. They sit at a circular table in order to
debate the issues. How many different ways can they sit at the table?
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Ответ:
5040
Step-by-step explanation:
P(n,r) = n!/(n-r)! = 7!/(7-7)! = 7x6x5x4x3x2x1 = 5040
Ответ:
1. OA= 2.0 OA’= 3.0
2. OB= 3.0 OB’= 4.5
3. AB= 2.2 A’B’= 3.3
4. 1.5
5. 1.5
6. 1.5