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3 years ago

Please explain me HOW to do it:

Mathematics

2 answers:

just olya [345]3 years ago

6 0

Answer:

Answer: The average speed is 54 miles per hour.

ZanzabumX [31]3 years ago

6 0

Answer:

56 mph

Step-by-step explanation:

You need to find the average of the speed for the five hour span of time.

If you're traveling at 50 mph for 2 hours, and 60 mph for 3 hours, then you can express each hour as 50, 50, 60, 60, 60. These are the speeds for each hour for your five hour trip. To find the average, add them all up and divide by the number of hours.

50+50+60+60+60 = 280

Then divide by five (the number of total hours).

280/5 = 56.

And there you go, there's the average speed of your trip (in bold).

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Read 2 more answers

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GenaCL600 [577]

Answer:

The semi-trailer truck has the fastest average speed

Step-by-step explanation:

Let's recall that the formula of the average speed is:

Average speed = Distance/Speed

Now, we can calculate the average speed for each class of vehicle, as follows:

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