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Back to 7.5 Solve Applications with Rational Equations

7.5 Exercise 105

Avg difficulty 2.5

Solve.

The maximum load a beam will support varies directly with the square of the diagonal of the beam’s cross-section. A beam with diagonal 6 inch will support a maximum load of 108 pounds.

ⓐ Write the equation that relates the load to the diagonal of the cross-section. ⓑ What load will a beam with a 10-inch diagonal support?

OpenStax Intermediate Algebra 2e, 7.5 Solve Applications with Rational Equations, exercise 105

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.