iyanistacks50
02.12.2020 •
Mathematics
If a train goes at a constant speed of 40 miles per hour for one hour, then at a constant speed of 50 miles per hour for two hours, what is its instantaneous speed at the beginning of the last hour of its trip?
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Ответ:
60
or 200 miles is the hole trip
Step-by-step explanation:
Ответ:
It's actually C
Step-by-step explanation:
don't forget about the probability of 0 too
you have to add the two probability formulas