搜搜做题作业网GRE数学题 帮忙翻译解答一下呀 谢啦
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GRE数学题 帮忙翻译解答一下呀 谢啦
A rectangular pool of uniform depth is being filled with water at a constant rate of 200cubic feet mer minute, and the water level in the pool is rising at a rate of 3/4 foot per hour
The area of the bottom of the pool 9000sqft
answer: A
A rectangular pool of uniform depth is being filled with water at a constant rate of 200cubic feet mer minute, and the water level in the pool is rising at a rate of 3/4 foot per hour
The area of the bottom of the pool 9000sqft
answer: A
一个长方形游泳池的高度是不变的.当注入水的速度是每分钟200立方英尺时,其水面上升的速度是每小时3/4英尺.求游泳池的底面积是多少.
面积 X 水面上升速度 = 注入水的速度
面积 = （200*60）/（3/4）= 800*20 = 16000 平方英尺
面积 X 水面上升速度 = 注入水的速度
面积 = （200*60）/（3/4）= 800*20 = 16000 平方英尺