A ladder is leaning against a building and makes 32° angle with the ground. The top of the ladder reaches 20 feet up on the buil
1 answer:
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Answer:
5 minutes
Step-by-step explanation:
If the mean arrival rate is 0.2 students per minute, the expected time interval between student arrivals, in minutes, is determined by the inverse of the arrival rate:
The interval between student arrivals is, on average, 5 minutes.
Answer:
There are 336 ways can the teams finish first, second, and third
Step-by-step explanation:
Total no. of teams = 8
First prize is given to one of the 8 teams
So, no. of teams left for second prize = 8-1 =7
Second prize is given to one of the remaining 7 teams
So, no. of teams left for third prize = 7-1=6
So,the teams finish first, second, and third in no. of ways =
The teams finish first, second, and third in no. of ways = 336
Hence there are 336 ways can the teams finish first, second, and third