Concept explainers
To find: The time of launch of both fireworks A and B after firework B is launched.
Answer to Problem 39PPE
2.5 seconds after Firework B launches both fireworks will explode.
Explanation of Solution
Given information: Two fireworks A and B explode to same heights with speed 220 ft/s and 200 ft/s respectively.
Concept used: As both heights are equation, so first find them in terms of unknown variable time using following formula.
Height
And then both heights are put equal to each other to calculate the unknown variable required time.
Calculation: Let Firework A launches after x seconds. So, Firework B launches before
Height covered by A
And height covered by B
Now as both cover same heights, so,
Subtract each side
Conclusion: 2.5 seconds after Firework B launches, will both fireworks will explode.
Chapter 6 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
Additional Math Textbook Solutions
College Algebra (7th Edition)
College Algebra with Modeling & Visualization (5th Edition)
Linear Algebra with Applications (2-Download)
College Algebra
College Algebra (10th Edition)
Algebra and Trigonometry (6th 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