Mathematics, 30.03.2021 02:20, brendaesme
A train is 1000 metres long. It is travelling at a constant speed, and approaches a
tunnel that is 3000 metres long. From the time that the last car on the train has
completely entered the tunnel until the time when the front of the train emerges
from the other end, 30 seconds pass. Determine the speed of the train, in kilometres per hour.
Answers: 3
Mathematics, 21.06.2019 13:00, gerardoblk5931
1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5
Answers: 1
Mathematics, 21.06.2019 15:40, tylorroundy
Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497
Answers: 3
Mathematics, 21.06.2019 17:00, joylsbarbour
The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
Answers: 2
A train is 1000 metres long. It is travelling at a constant speed, and approaches a
tunnel that is...
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