a man in a row boat 2miles fron the nearest point on a straight shore line wishes to reach a point 6miles further down the shore. If he can row at a rate of 3miles/hr, and run at a rate of 5miles/hr. How should he proceed in order to arrive at his destination in the shortest time. (pls I need d explanation of the solution as well)
asked Feb 1, 2014 in Calculus Answers by Halimah (200 points)

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:

To avoid this verification in future, please log in or register.

1 Answer

???????????????? "arrive at his destinashun" ??????????????

him wanna GET THEER

Yu hav a rite trinagel, hite=2 miles=water

base=6 miles=on land

water speed=3, land speed=5

1. wae him mite go...along 2 miles, then 6 miles...

time=(2/3)+(6/5)=1.2+0.666666666...=1.8666666...ours

2. dif wae...go bi see...distans=diagonal av triangel=sqrt(36+4)=sqrt(40)=6.32455532 mile

time=6.324555/3=2.108185 ours

3. Jenral...him kood go strate line tuward sum point on land tween 2 points

Thats yer job
answered Feb 1, 2014 by muneepenee
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
80,290 questions
84,162 answers
2,067 comments
67,179 users