2. A tank contains 200 gal of a 2% solution of HCl. A 5% solution of HCl is added at 5 gal/min. The well mixed solution is being drained at 5 gal/min. When does the concentration of HCl in the solution reach 4 %? ANS. 43.94 min
2. A tank contains 200 gal of a 2% solution of HCl. A 5% solution of HCl is added at 5 gal/min. The well mixed solution is being drained at 5 gal/min. When does the concentration of HCl in the solution reach 4 %? ANS. 43.94 min
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.6: Solving Problems Involving Quadratic Equations
Problem 1.3E
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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