The other day, critic ivor smallbrain gave a lecture to an audience consisting of 5 mathematicians. each mathematician fell asleep exactly twice during the lecture. for each pair of mathematicians, there was a moment during the lecture when they were both asleep. prove that there was a moment when three of the mathematicians were simultaneously asleep.

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

try soting them out first

step-by-step explanation:

step-by-step explanation:

the eight graders whould be the answer

step-by-step explanation: could you give me 5 stars