Mathematics, 11.12.2019 20:31 cvannesacanto
a fisherman traveled in a boat from point n upstream. after having traveled 6 km, he stopped rowing and 2 hour 40 min after first leaving n, he was brought back to n by the current. knowing that the speed of the boat in still water is 9 km/hour, find the speed of the river’s current.
Answers: 3
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Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?
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Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?
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a fisherman traveled in a boat from point n upstream. after having traveled 6 km, he stopped rowing...
Mathematics, 22.01.2021 19:20
Mathematics, 22.01.2021 19:20
Mathematics, 22.01.2021 19:20
Mathematics, 22.01.2021 19:20
Mathematics, 22.01.2021 19:20