Lemma
EasyRadicals & surds
OpenStax, Elementary Algebra 2e §9.6 Solve Equations with Square Roots · Exercise 50 · Algebra · Radicals & surds

Solve Equations with Square Roots · Exercise 50

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 to find the speed of the vehicle before the brakes were applied. Round your answer to the nearest tenth.

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §9.6 Solve Equations with Square Roots · Exercise 50

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.