$the\ variation\ without\ repetition:\\\\P(n;k)= \frac{\big{n!}}{\big{(n-k)!}} \\\\---------------------\\\\n=9\ \ \ and\ \ \ k=5\\\\\Rightarrow\ \ \ P(9;5)=\frac{\big{9!}}{\big{5!}}=\frac{\big{5!\cdot6\cdot7\cdot8\cdot9}}{\big{5!}}=3024\\\\Ans.\ there\ are\ 3024\ ways\ to\ choose.$

3 0

3 years ago

Carmen ran one mile in 7 minutes. At this rate, how long will it take her to run 5 miles?

Gala2k [10]

It would take her 35 minutes to run 5 miles

3 0

3 years ago

at the sea park, one section in the stadium has 9 rows with 18 seats in each row. in the centre of each of the first 6 rows, 8 s

bonufazy [111]

10 seats are nonsplash zone

18-8=10 because there are 18 total seats and 8 splash zone seats just subtract them Hope this helped :)

7 0

3 years ago

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