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rewona [7]
3 years ago
11

A train traveled the first 200 miles of its trip at a speed of 50 mph and the next 130 miles at a speed of 65 mph. What was the

average speed of the train during the whole trip?
Mathematics
1 answer:
12345 [234]3 years ago
4 0
55 miles per hour, to answer questions like these you need to calculate the time (T=D/R) for each individual portion of the trip, add the time together to get total time, and then divide the total distance by the total time in order to get the average velocity in mph.
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Step-by-step explanation:

The area of a square is given by the expression x^2-12x+36 square inches. Now we need to find an expression that represents the length of one side of the square, in inches. To do that we need to factor x^2-12x+36.

x^2-12x+36

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