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Mathematics, 06.07.2019 09:30, steven12372
Sally was trying to calculate the speed of the hummingbirds feeding outside her window. sally measured the distance from one feeder to the next, 24 meters. then she sat and timed how long it took a hummingbird to fly from one feeder to the next. she timed 10 trials and calculated the average time, 3 seconds. what was the average speed of the hummingbird flying from one feeder to the other? a) 6 m/s b) 8 m/s c) 24 m/s d) 72 m/s
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Mathematics, 21.06.2019 21:00, millie54
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
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Sally was trying to calculate the speed of the hummingbirds feeding outside her window. sally measur...
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