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4. Bobby and Jaime are very competitive. They want to impress their classmate Lily by hoving her how fast they can run. They agree to race 30 yd across the playground. Bobby runs at an average speed of 7 ft/s for the whole race. Jaime runs at an average speed of 10 ft/s, but Bobby had a 3-s head start. a. Write equations to describe Bobby's and Jaime's position over time. b. Who wins the race (and Lily's heart)?

4. Bobby and Jaime are very competitive. They want to impress their classmate Lily by hoving her how fast they can run. They agree to race 30 yd across the playground. Bobby runs at an average speed of 7 ft/s for the whole race. Jaime runs at an average speed of 10 ft/s, but Bobby had a 3-s head start. a. Write equations to describe Bobby's and Jaime's position over time. b. Who wins the race (and Lily's heart)?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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2. run a little faster than Leo. But Kien can 250 m/min. Can Kien catch Leo before Goun cooked. Gabriel squirms toward Marie at in./min. Marie desperately crawls toward Gabriel at in./min. How long will it take the two snails to reach each other? 3 Two snails, Gabriel and Marie, are captured by a chef who plans to have them for dinner. other ingredients. Gabriel and Marie want to embrace one last time before they are 4. Bobby and Jaime are very competitive. They want to impress their classmate Lily by They are placed on his kitchen counter, 5 in. apart. Then the chef goes to gather some b. If so, how many minutes from school are they when he catches her? If not, where b. Use graph paper to graph each relationship in the problem on the same set of axes. 6. Sister and Brother go to the same school and by the same route. Brother takes 40 min c. Write an equation to describe each relationship in the problem. Use the two equations to solve the problem algebraically. d. Use quantitative reasoning to solve the problem. the race is over? If so, tell when. If not, how far behind is Kien when Leo crosses the is Brother when Sister gets to school? for the trip, and Sister takes 50 min. One day, Sister gets a 15-min head start on Brother. a. First solve by generating a table of data. Solve each problem in Learning Exercises 7-12 in at least three of the four ways: a. Can Brother catch Sister before they get to school? finish line? a loving her how fast they can run. They agree to race 30 yd across the playground. Bobby runs at an average speed of 7 ft/s for the whole race. Jaime runs at an average speed of 10 ft/s, but Bobby had a 3-s head start. a. Write equations to describe Bobby's and Jaime's position over time. b. Who wins the race (and Lily's heart)? 5. Del Mar and San Pedro are 352 mi apart. Two trains on parallel tracks are traveling toward each other. Madonna is on train A leaving from Del Mar, and the paparazzi are on train B leaving from San Pedro. Train A goes 45 mi/h, and train B goes 65 mi/h. When should the paparazzi lean out the window to take photos of Madonna-that is, when will the two trains meet? ved emelaque 2. Write an equation for each train to describe its position over time. D. How long does it take for the two trains to meet? How many miles had they traveled? (Solve algebraically.) Idona loss olo what fraction of the 352 mi had each train covered at the time they meet? villnoindogls ms Interpret the graph to solve the problem. Tuul soddns
Transcribed Image Text:2. run a little faster than Leo. But Kien can 250 m/min. Can Kien catch Leo before Goun cooked. Gabriel squirms toward Marie at in./min. Marie desperately crawls toward Gabriel at in./min. How long will it take the two snails to reach each other? 3 Two snails, Gabriel and Marie, are captured by a chef who plans to have them for dinner. other ingredients. Gabriel and Marie want to embrace one last time before they are 4. Bobby and Jaime are very competitive. They want to impress their classmate Lily by They are placed on his kitchen counter, 5 in. apart. Then the chef goes to gather some b. If so, how many minutes from school are they when he catches her? If not, where b. Use graph paper to graph each relationship in the problem on the same set of axes. 6. Sister and Brother go to the same school and by the same route. Brother takes 40 min c. Write an equation to describe each relationship in the problem. Use the two equations to solve the problem algebraically. d. Use quantitative reasoning to solve the problem. the race is over? If so, tell when. If not, how far behind is Kien when Leo crosses the is Brother when Sister gets to school? for the trip, and Sister takes 50 min. One day, Sister gets a 15-min head start on Brother. a. First solve by generating a table of data. Solve each problem in Learning Exercises 7-12 in at least three of the four ways: a. Can Brother catch Sister before they get to school? finish line? a loving her how fast they can run. They agree to race 30 yd across the playground. Bobby runs at an average speed of 7 ft/s for the whole race. Jaime runs at an average speed of 10 ft/s, but Bobby had a 3-s head start. a. Write equations to describe Bobby's and Jaime's position over time. b. Who wins the race (and Lily's heart)? 5. Del Mar and San Pedro are 352 mi apart. Two trains on parallel tracks are traveling toward each other. Madonna is on train A leaving from Del Mar, and the paparazzi are on train B leaving from San Pedro. Train A goes 45 mi/h, and train B goes 65 mi/h. When should the paparazzi lean out the window to take photos of Madonna-that is, when will the two trains meet? ved emelaque 2. Write an equation for each train to describe its position over time. D. How long does it take for the two trains to meet? How many miles had they traveled? (Solve algebraically.) Idona loss olo what fraction of the 352 mi had each train covered at the time they meet? villnoindogls ms Interpret the graph to solve the problem. Tuul soddns
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