Other Application of Differentiation The sum of three positive numbers is 30. The first plus twice thesecond plus three times the third add up to 60. Select the numbers sothat the product of all three is as large as possible. A girl starting at 11 A.M., travels east at 4 km/hr while a boy,starting at noon from the same point, travels north at 6 km/hr. Howfast are they separating at 3 P.M.

Answered: Image /qna-images/answer/9cdea4d2-89ea-4f86-b5b5-c1d1a60f14ab.jpg

Answered: A girl starting at 11 A.M., travels…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter3: Solving Equation And Problems

Section3.1: Transforming Equations: Addition And Subtraction

Problem 7P

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A girl starting at 11 A.M., travels east at 4 km/hr while a boy, starting at noon from the same point, travels north at 6 km/hr. How fast are they separating at 3 P.M.