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Back to 8.8 Use the Complex Number System

8.8 Exercise 188

Avg difficulty 2.5

Solve. Round approximations to one decimal place.

Accident investigation An accident investigator measured the skid marks of one of the vehicles involved in an accident. The length of the skid marks was 175 feet. Use the formula s=24ds = \sqrt{24 d} to find the speed of the vehicle before the brakes were applied. Round your answer to the nearest tenth.

OpenStax Intermediate Algebra 2e, 8.8 Use the Complex Number System, exercise 188

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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.