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C. Practical Applications. (Round to the nearest hundredth.)
Water/Wastewater Treatment According to Torricelli’s Law, the volume V of water remaining in a certain tank with an open drain at the bottom is given by
where t represents the time in minutes that the drain has been open. If the volume of water remaining in the tank is 10 gallons, how long has the tank been draining?
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Chapter 11 Solutions
Mathematics for the Trades: A Guided Approach (10th Edition) - Standalone book
- The carbon content of machine steel for gages usually ranges from 0.15% to 0.25%. Round the answers for a and b to 2 decimal places. a. What is the minimum weight of carbon in 250 kilograms of machine steel? b. What is the maximum weight of carbon in 250 kilograms of machine steel?arrow_forwardA driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p.m. At this time, he started pumping gas into the tank. At exactly 3:44, the tank was full and he noticed that he had pumped 10.7 gallons. What is the average rate of flow of the gasoline into the gas tank?arrow_forwardSolve each problem. w is directly proportional to z. If w=-6 when z=2, find w when z=-3.arrow_forward
- The resistance of a copper wire carrying an electrical current is directly proportional to its length and inversely proportional to its cross-sectional area. A copper wire with a diameter of 0.0126inch has a resistance of 64.9ohms per thousand feet. What length of 0.0201-inch-diameter copper wire will produce a resistance of 33.5ohms?arrow_forwardFind the constant of proportionality. E varies jointly with I and R. If R=25 and I=5, then E=125.arrow_forward
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