Hazy095
21.10.2019 •
Mathematics
Atrain traveled a distance of 255 kilometers. if the trip took 4 hours, what was the train's average speed in meters per second? give your answer to the nearest whole unit.
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Ответ:
4 hrs = 14,400 sec
255,000 m/14,400 sec = 17.7083 --> 18 m/sec
average speed - 18 m/sec
Ответ:
9514 1404 393
11.20.24Step-by-step explanation:
The area is the same, regardless of which side is considered the "base"
A = bh
__
1. A = 8×14 = 10h
h = 8×14/10
h = 11.2
__
2. A = 0.3×0.4 = 0.5h
h = 0.3×0.4/0.5
h = 0.24