Concept explainers
The expression that represent the round-trip air time.
Answer to Problem 43PPE
Explanation of Solution
Given information:
The groundspeed for jet traffic from Los Angeles to New York City can be about 100 mi/h faster than the groundspeed from New York City to Los Angeles. Let r is a jet’s groundspeed from New York City to Los Angeles. The distance between two cities is about 2500 miles.
Concept used:
The formula for the distance traveled is
Calculation:
Let r is a jet’s groundspeed from New York City to Los Angeles. So, the speed from Los Angeles to New York City would be
Now in order to find the expression that represents the total time, use the time-distance formula with the given values as shown below
Thus, the expression for total time is
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
Additional Math Textbook Solutions
Differential Equations and Linear Algebra (4th Edition)
Algebra and Trigonometry (6th Edition)
College Algebra (7th Edition)
College Algebra
Linear Algebra and Its Applications (5th Edition)
Intermediate Algebra (7th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education