2xLaFlare
07.01.2020 •
Mathematics
In a race, there are 20 runners. trophies for the race are awarded to the runners finishing in first and second place. in how many ways can first and second place be determined
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Ответ:
The number of ways that could first and second place be determined be 380.
Given that,
In a race, there are 20 runners. Trophies for the race are awarded to the runners finishing in first and second place.Based on the above information, the calculation is as follows:
= 380
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Ответ:
There are 380 ways that 1st and 2nd place can be determined in the race
Step-by-step explanation:
There are 20 possibilities for determine the 1st place
There are 19 possibilities for determine the 2nd place
Number of ways that 1st and 2nd place can be determined = 20 * 19
Number of ways that 1st and 2nd place can be determined = 380
Ответ:
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Step-by-step explanation:
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