帮忙翻译一下这到英文题目!快快快～急啊!不要google机器翻译!谢谢!Maya is 6 km offshore on a boat at point B and wishes to reach a coastal villagewhich is 4 km down the straight shoreline at point D from the point A on the shore

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帮忙翻译一下这到英文题目!快快快～急啊!不要google机器翻译!谢谢!Maya is 6 km offshore on a boat at point B and wishes to reach a coastal villagewhich is 4 km down the straight shoreline at point D from the point A on the shore
帮忙翻译一下这到英文题目!快快快～急啊!不要google机器翻译!谢谢!
Maya is 6 km offshore on a boat at point B and wishes to reach a coastal village
which is 4 km down the straight shoreline at point D from the point A on the shore
nearest to the boat. She can row at 5 km/hour and run 7 km/hour. Point C is where she should land her boat to reach the village in the least amount of time.
a) Draw a labeled diagram for this problem, which includes points A, B, C, and D.
Let x be the distance between points A and C.
b) What two assumptions should you make about the wind and the water?
c) State the following quantities:
running distance = running time =
rowing distance = rowing time =
d) How far away is point C from point A accurate to 2 decimal places?
不要翻译器翻译出来的结果！！！！！
要人工准确翻译！谢谢！！

帮忙翻译一下这到英文题目!快快快～急啊!不要google机器翻译!谢谢!Maya is 6 km offshore on a boat at point B and wishes to reach a coastal villagewhich is 4 km down the straight shoreline at point D from the point A on the shore
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玛雅人是6公里的海上船上点和希望达到的沿海村庄
这是4公里的海岸线在直点的点在岸边
最近的船.她能排在5公里/小时和7公里/小时.点是在她应该土地她的船到达村庄在最短的时间.
一）画一个标记图的这一问题,其中包括分,乙,丙,和D
让是点之间的距离和C
二）什么假设你应该让风和水吗?
三）状态的数量：
运行距离运行时间赛艇赛艇时间距离四）有多么的远点从一个点精确到2位小数?
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玛雅在离岸边6KM的船上，此点记作B点，她想到达离船最近的海岸A点沿着垂直的海岸线向下4km在D点的村庄。她可以以5km/H的速度划船也可以以7km/h的速度跑步。C点是她可以以最短时间到达村庄的船应该靠岸的地点。
a)画一个带标示的简图，图要包括A,B,C和D，设X为A到C的距离。
b)你觉得应该怎样对水和风建立假设。
c)表达以下数量：
跑步的距离= 跑...

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