Mathematics, 23.07.2019 17:40 lanamiami
Two piers, a and b, are located s km away from each other along a river. a motor boat, with a speed of vkm/hour in still water, is cruising between the two piers. how much time t (in hours) will the motorboat need to get from pier a to pier b and back, if the speed of the current is 5km/hour? find t if:
Answers: 2
Mathematics, 21.06.2019 18:00
Adriveway is 40 yards long about how many meters long is it
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Mathematics, 21.06.2019 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Two piers, a and b, are located s km away from each other along a river. a motor boat, with a speed...
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