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Back to 9.6 Solve Equations with Square Roots

9.6 Exercise 94

Avg difficulty 2.5

Solve. Round approximations to one decimal place.

Accident investigation The skid marks for a car involved in an accident measured 216 feet. Use the formula s=24ds = \sqrt{24 d} to find the speed of the car before the brakes were applied. Round your answer to the nearest tenth.

OpenStax Elementary Algebra 2e, 9.6 Solve Equations with Square Roots, exercise 94

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