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As part of an endurance race, Stephanie needs to swim from X to Y across a wide river

Mathematics for the International Student: Mathematics SL | 3rd Edition | ISBN: 9781921972089 | Authors: Sandra Haese, Michael Haese, Robert Haese, Mark Humphries, Marjut Maenpaa ISBN: 9781921972089 446

Solution for problem 4 Chapter 13

Mathematics for the International Student: Mathematics SL | 3rd Edition

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Mathematics for the International Student: Mathematics SL | 3rd Edition | ISBN: 9781921972089 | Authors: Sandra Haese, Michael Haese, Robert Haese, Mark Humphries, Marjut Maenpaa

Mathematics for the International Student: Mathematics SL | 3rd Edition

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Problem 4

As part of an endurance race, Stephanie needs to swim from X to Y across a wide river. Stephanie swims at 1:8 m s1 in still water. The river flows with a consistent current of 0:3 m s1 as shown. a Find the distance from X to Y. b In which direction should Stephanie aim so that the current will push her onto a path directly towards Y? c Find the time Stephanie will take to cross the river

Step-by-Step Solution:

Problem 4

As part of an endurance race, Stephanie needs to swim from X to Y across a wide river. Stephanie swims at 1:8 m s1 in still water. The river flows with a consistent current of 0:3 m s1 as shown.

a Find the distance from X to Y. ?

b In which direction should Stephanie aim so that the current will push her onto a path directly towards Y?

c Find the time Stephanie will take to cross the river?

                                               Step-by-solution

Step 1of  4

a) Consider the figure,

The distance from X to Y is d

By pythagoras theorem ,

That is

So the distance from X to Y is 82.5 meters.

Step 2 of 4

Chapter 13, Problem 4 is Solved
Step 3 of 4

Textbook: Mathematics for the International Student: Mathematics SL
Edition: 3
Author: Sandra Haese, Michael Haese, Robert Haese, Mark Humphries, Marjut Maenpaa
ISBN: 9781921972089

The full step-by-step solution to problem: 4 from chapter: 13 was answered by , our top Math solution expert on 03/15/18, 06:04PM. Mathematics for the International Student: Mathematics SL was written by and is associated to the ISBN: 9781921972089. The answer to “As part of an endurance race, Stephanie needs to swim from X to Y across a wide river. Stephanie swims at 1:8 m s1 in still water. The river flows with a consistent current of 0:3 m s1 as shown. a Find the distance from X to Y. b In which direction should Stephanie aim so that the current will push her onto a path directly towards Y? c Find the time Stephanie will take to cross the river” is broken down into a number of easy to follow steps, and 79 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 25 chapters, and 453 solutions. This textbook survival guide was created for the textbook: Mathematics for the International Student: Mathematics SL, edition: 3. Since the solution to 4 from 13 chapter was answered, more than 2380 students have viewed the full step-by-step answer.

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As part of an endurance race, Stephanie needs to swim from X to Y across a wide river