One car leaves a given point and travel north at 30 mph. Another car leaves 1 hour later, and travel west at 40 mph. At what rate is the distance between the cars changing at the instant the second car has been traveling for one hour?

One car leaves a given point and travel north at 30 mph. Another car leaves 1 hour later, and travel west at 40 mph. At what rate is the distance between the cars changing at the instant the second car has been traveling for one hour?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter3: Math Models

Section: Chapter Questions

Problem 441PT: Two planes leave Dallas at the same time. One heads east at a speed of 428 miles per hour. The other...

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