subject
Mathematics, 15.07.2019 12:30 granta1

You have jogged 5 miles from the park at a rate of r miles per hour. on your way back to the park your average speed increases by 1 mile per hour. a. write an expression for the time t (in hours) it takes to jog 5 miles from the park as a function of your average speed r (in miles per hour) b. when you run back to the park, your average speed increases by 1 mph. write an expression representing your new speed. c. write an expression for the time t(in hours) it takes to jog 5 miles back to the park. d. use your answers to parts a and c to write an expression that gives the total jogging time t (in hours) as a function of your average speed r (in miles per hour) when you are jogging away from the park. write your answer as a single rational expression. e. find the total jogging time if you jogged away from the park at an average speed (r) of 4 miles per hour. round your answer to the nearest tenth.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:10, Mune4184
Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days
Answers: 1
image
Mathematics, 21.06.2019 16:00, kissesforlester7097
Given right triangle xyz, which correctly describes the locations of the sides in relation to
Answers: 1
image
Mathematics, 21.06.2019 16:30, mohd591
Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?
Answers: 1
image
Mathematics, 21.06.2019 18:00, Megcuttie101
What is the measure of the smallest angle in the diagram? 15 29 32 45
Answers: 2
You know the right answer?
You have jogged 5 miles from the park at a rate of r miles per hour. on your way back to the park yo...

Questions in other subjects:

Konu
Social Studies, 18.07.2019 07:40
Konu
Mathematics, 18.07.2019 07:40