Essay
A water trough is 20 m long and a cross-section has the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 60 cm wide at the top, and has height 50 cm. If the trough is being filled with water at the rate of
, how fast is the water level rising when the water is
cm deep? Round the result to the nearest hundredth.
Correct Answer:

Verified
Correct Answer:
Verified
Q44: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg" alt="Find in
Q45: Suppose the total cost in maunufacturing x
Q46: Find the point(s) on the graph of
Q47: Let y = 1/x.<br>a.Find <span
Q48: Use implicit differentiation to find an equation
Q50: A mass on a spring vibrates horizontally
Q51: Find the linearization L (x) of the
Q52: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg" alt="Find .
Q53: Find the limit. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg" alt="Find the
Q54: Find an equation of the tangent line