Mathematics, 30.06.2019 01:00 sugandiwoodbine
Simplify each expression. a diesel train traveled to the repair yards andback. it took two hours longer to go there thanit did to come back. the average speed on thetrip there was 70 km/h. the average speed onthe way back was 80 km/h. how many hoursdid the trip there take? a) 15 hoursc) 25 hoursb) 16 hoursd) 10 hours
Answers: 2
Mathematics, 22.06.2019 00:30
Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.
Answers: 3
Simplify each expression. a diesel train traveled to the repair yards andback. it took two hours lon...
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