There are 12 participants running in a 110m hurdles race. How many ways are there to award a gold, silver, and bronze medal?
1 answer:
Answer:
220 ways
Step-by-step explanation:
The order matters because there's going to be a first, second, and third place.
So, 12P3=12!/(12-3)!*3!=12!/9!*3!=12*11*10*9!/9!*3!=12*11*10/6=220
Therefore, 220 ways
You might be interested in
Your answer would be b i'm pretty sure
A)
145 - 5d
5d = 145, set equal
29 days to lay all the track
b)
5*19 = 95
145-95 = 50
After 19 days, they have 50 miles to go.
Answer:
2
Step-by-step explanation:
1+1=2 so the answer is 2
Answer: x = 3/80
Step-by-step explanation:
