You start riding your bike east at 16mph. At the same time and from the same spot, your friend starts riding their bike north at 12mph. After you traveled for 4 miles, at what rate is the distance between you and your friend changing?

You start riding your bike east at 16mph. At the same time and from the same spot, your friend starts riding their bike north at 12mph. After you traveled for 4 miles, at what rate is the distance between you and your friend changing?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter1: Equations, Inequalities, And Mathematical Modeling

Section1.3: Modeling With Linear Equations

Problem 5ECP: A boat travels at a constant speed to an island 14 miles away. It takes 0.5 hour to travel the first...

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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

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You start riding your bike east at 16mph. At the same time and from the same spot,
your friend starts riding their bike north at 12mph. After you traveled for 4 miles, at what rate is the
distance between you and your friend changing?

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