EBK ALGEBRA 2
11th Edition
ISBN: 9780544714304
Author: Larson
Publisher: HMH PUB
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Chapter 3, Problem 2TP
Solution
(a)
The speed of a boat for crews of 2 people, 4 people, and 8 people.
About 5 meters per second, 5.4 meters per second, and 5.8 meters per second.
Given:
The boat’s speed s in meters per second can be modeled by the equation
Concept Used:
- Power of a power property:
- Product of power property:
- Quotient of power property:
- Product property of radicals:
- Quotient property of radicals:
- The exponent form of the nth root of a number a is given by
Calculation:
In order to find the speed of the boat when 2 people row the boat, substitute
Thus, the speed of the boat is about 5 meters per second.
Similarly, to find the speed of the boat when 4 people row the boat, substitute
Thus, the speed of the boat is about 5.4 meters per second.
And finally, to find the speed of the boat when 8 people row the boat, substitute
Thus, the speed of the boat is about 5.8 meters per second.
(b)
The time it for the crews of 2 people, 4 people, and 8 people to complete a 2000 meter race.
About 6.67 minutes, 6.17 minutes, and 5.75 minutes.
Given:
The boat’s speed s in meters per second can be modeled by the equation
Concept Used:
- Power of a power property:
- Product of power property:
- Quotient of power property:
- Product property of radicals:
- Quotient property of radicals:
- The exponent form of the nth root of a number a is given by
Calculation:
In order to find the time, it takes to compete a 2000 meters race when 2 people row the boat, use the time-distance formula and use the speed 5 meters per second and solve further as
Thus, the time taken to complete the 2000 meters race is about 6.67 minutes.
Similarly, to find the time, it takes to compete a 2000 meters race when 4 people row the boat, use the time-distance formula and use the speed 5.4 meters per second and solve further as
Thus, the time taken to complete the 2000 meters race is about 6.17 minutes.
And finally, to find the time, it takes to compete a 2000 meters race when 8 people row the boat, use the time-distance formula and use the speed 5.8 meters per second and solve further as
Thus, the time taken to complete the 2000 meters race is about 5.75 minutes.
(c)
If doubling the number of rowers will double the speed?
No.
Given:
The boat’s speed s in meters per second can be modeled by the equation
Concept Used:
- Power of a power property:
- Product of power property:
- Quotient of power property:
- Product property of radicals:
- Quotient property of radicals:
- The exponent form of the nth root of a number a is given by
Calculation:
Since the number of rowers and speed of the boat are not directly proportional to each other, doubling the number of rowers will not double the speed.
Chapter 3 Solutions
EBK ALGEBRA 2
Ch. 3.1 - Prob. 1GPCh. 3.1 - Prob. 2GPCh. 3.1 - Prob. 3GPCh. 3.1 - Prob. 4GPCh. 3.1 - Prob. 5GPCh. 3.1 - Prob. 6GPCh. 3.1 - Prob. 7GPCh. 3.1 - Prob. 8GPCh. 3.1 - Prob. 9GPCh. 3.1 - Prob. 10GP
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Prob. 45ECh. 3.1 - Prob. 46ECh. 3.1 - Prob. 47ECh. 3.1 - Prob. 48ECh. 3.1 - Prob. 49ECh. 3.1 - Prob. 50ECh. 3.1 - Prob. 51ECh. 3.1 - Prob. 52ECh. 3.1 - Prob. 53ECh. 3.1 - Prob. 54ECh. 3.1 - Prob. 55ECh. 3.1 - Prob. 56ECh. 3.1 - Prob. 57ECh. 3.1 - Prob. 58ECh. 3.1 - Prob. 59ECh. 3.1 - Prob. 60PSCh. 3.1 - Prob. 61PSCh. 3.1 - Prob. 62PSCh. 3.1 - Prob. 63PSCh. 3.1 - Prob. 64PSCh. 3.1 - Prob. 65PSCh. 3.1 - Prob. 66PSCh. 3.2 - Prob. 1GPCh. 3.2 - Prob. 2GPCh. 3.2 - Prob. 3GPCh. 3.2 - Prob. 4GPCh. 3.2 - Prob. 5GPCh. 3.2 - Prob. 6GPCh. 3.2 - Prob. 7GPCh. 3.2 - Prob. 8GPCh. 3.2 - Prob. 9GPCh. 3.2 - Prob. 10GPCh. 3.2 - Prob. 11GPCh. 3.2 - Prob. 12GPCh. 3.2 - Prob. 13GPCh. 3.2 - Prob. 1ECh. 3.2 - Prob. 2ECh. 3.2 - Prob. 3ECh. 3.2 - Prob. 4ECh. 3.2 - Prob. 5ECh. 3.2 - Prob. 6ECh. 3.2 - Prob. 7ECh. 3.2 - Prob. 8ECh. 3.2 - Prob. 9ECh. 3.2 - Prob. 10ECh. 3.2 - Prob. 11ECh. 3.2 - Prob. 12ECh. 3.2 - Prob. 13ECh. 3.2 - Prob. 14ECh. 3.2 - Prob. 15ECh. 3.2 - Prob. 16ECh. 3.2 - Prob. 17ECh. 3.2 - Prob. 18ECh. 3.2 - 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Prob. 40ECh. 3.4 - Prob. 41ECh. 3.4 - Prob. 42ECh. 3.4 - Prob. 43ECh. 3.4 - Prob. 44ECh. 3.4 - Prob. 45ECh. 3.4 - Prob. 46PSCh. 3.4 - Prob. 47PSCh. 3.4 - Prob. 48PSCh. 3.4 - Prob. 49PSCh. 3.4 - Prob. 50PSCh. 3.4 - Prob. 51PSCh. 3.4 - Prob. 1QCh. 3.4 - Prob. 2QCh. 3.4 - Prob. 3QCh. 3.4 - Prob. 4QCh. 3.4 - Prob. 5QCh. 3.4 - Prob. 6QCh. 3.4 - Prob. 7QCh. 3.4 - Prob. 8QCh. 3.4 - Prob. 9QCh. 3.4 - Prob. 10QCh. 3.4 - Prob. 11QCh. 3.4 - Prob. 12QCh. 3.4 - Prob. 13QCh. 3.4 - Prob. 14QCh. 3.4 - Prob. 15QCh. 3.4 - Prob. 16QCh. 3.4 - Prob. 17QCh. 3.4 - Prob. 18QCh. 3.4 - Prob. 19QCh. 3.5 - Prob. 1GPCh. 3.5 - Prob. 2GPCh. 3.5 - Prob. 3GPCh. 3.5 - Prob. 4GPCh. 3.5 - Prob. 5GPCh. 3.5 - Prob. 6GPCh. 3.5 - Prob. 7GPCh. 3.5 - Prob. 8GPCh. 3.5 - Prob. 9GPCh. 3.5 - Prob. 10GPCh. 3.5 - Prob. 11GPCh. 3.5 - Prob. 1ECh. 3.5 - Prob. 2ECh. 3.5 - Prob. 3ECh. 3.5 - Prob. 4ECh. 3.5 - Prob. 5ECh. 3.5 - Prob. 6ECh. 3.5 - Prob. 7ECh. 3.5 - Prob. 8ECh. 3.5 - Prob. 9ECh. 3.5 - Prob. 10ECh. 3.5 - Prob. 11ECh. 3.5 - Prob. 12ECh. 3.5 - 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College Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education
Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:PEARSON
Contemporary Abstract Algebra
Algebra
ISBN:9781305657960
Author:Joseph Gallian
Publisher:Cengage Learning
Linear Algebra: A Modern Introduction
Algebra
ISBN:9781285463247
Author:David Poole
Publisher:Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:9780135163078
Author:Michael Sullivan
Publisher:PEARSON
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:9780980232776
Author:Gilbert Strang
Publisher:Wellesley-Cambridge Press
College Algebra (Collegiate Math)
Algebra
ISBN:9780077836344
Author:Julie Miller, Donna Gerken
Publisher:McGraw-Hill Education
What is a Linear Equation in One Variable?; Author: Don't Memorise;https://www.youtube.com/watch?v=lDOYdBgtnjY;License: Standard YouTube License, CC-BY
Linear Equation | Solving Linear Equations | What is Linear Equation in one variable ?; Author: Najam Academy;https://www.youtube.com/watch?v=tHm3X_Ta_iE;License: Standard YouTube License, CC-BY