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 17:30, bella51032
If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=
Answers: 1
image
Mathematics, 21.06.2019 18:00, avadestinyy
Find the midpoint m of z1=(8+5i) and z2=(12+3i)
Answers: 1
image
Mathematics, 21.06.2019 23:00, borsha255
Find the distance between the pair of points a(-1,8) and b(-8,4)
Answers: 1
image
Mathematics, 22.06.2019 02:00, Naysa150724
Reading tests are compared for two students. sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67 on his reading test.
Answers: 1
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
Mathematics, 18.01.2021 22:50
Konu
Mathematics, 18.01.2021 22:50