C. Practical Applications.
For each of the following, set up either a system of equations in two variables or a quadratic equation and solve. (Round to two decimal places if necessary.)
Construction The section modulus 5 of a beam in cubic inches is given by the formula
where b and d are the breadth and depth of the beam in inches.
Find the depth of a beam if its breadth is
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Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)
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