Answer
See below
Work Step by Step
The distance between two points $(0,0)$ and $(-12,-12)$ is:
$d=\sqrt (x_2-x_1)^2+(y_2-y_1)^2\\=\sqrt 12^2+12^2\\=\sqrt 144\\\approx16.97$
Since $16.97\gt16$, the second boat is not in range of radar.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 9 Quadratic Relations and Conic Sections - Mixed Review of Problem Solving - Lessons 9.1-9.4 - Page 641: 2b
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