aubreymahoney aubreymahoney
  • 02-12-2020
  • Mathematics
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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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Аноним Аноним
  • 02-12-2020

Answer:

60

or 200 miles is the hole trip

Step-by-step explanation:

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