Mathematics, 06.06.2020 19:59, brackendillman
John and Anna each can run at a speed of 8.20 mph and walk at a speed of 3.70 mph. They set off together on a route of length 5.00 miles. Anna walks half of the distance and runs the other half, while John walks half of the time and runs the other half. (a) How long does it take Anna to cover the distance of 5.00 miles? Express your answer numerically, in minutes. (b) Find Anna's average speed. Express Anna's average speed numerically, in miles per hour. (c) How long does it take John to cover the distance? Express the time taken by John numerically, in minutes. (d) Now find John's average speed. Express John's average speed numerically, in miles per hour.
Answers: 3
Mathematics, 21.06.2019 19:00, DestyHilBan1183
What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2
Answers: 2
Mathematics, 22.06.2019 03:20, mehnamejet92
Given a normal distribution with Β΅ =50 and Ο =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. donβt simply state the results. show graphs where necessary.
Answers: 3
John and Anna each can run at a speed of 8.20 mph and walk at a speed of 3.70 mph. They set off toge...