Mathematics, 30.06.2019 17:20, angieinthehouse45
The airliner concorde flies 2000km at a speed of 1600km/hr and then returns due to bad weather at a speed of 1000km/h find the average speed for the whole trip ,
Answers: 1
Mathematics, 21.06.2019 20:30, talexander131
The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers
Answers: 3
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