问题描述：
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！！
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！！
问题解答：
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