HanifahA HanifahA

03-02-2018
Mathematics

contestada

Jake and Lisa walk a rate of 9 kilometers per hour for 1 1/4 hours [5/4 in improper fraction form] and 6 kilometers per hour for 15 minutes. What is their average speed?

Respuesta :

dannielle dannielle

03-02-2018

their average speed is (9+6)/(5/4+1/4)=15:6/4=15*4/6=60/6=10 km / h

Answer Link

Otras preguntas

In the following neutralization reaction, which substance is the acid? HCl + NaOH d NaCl + H2O A. HCl B. NaOH C. NaCl D. H2O

I need help with this question?????

How did Rome try to control the luxurious tastes of its richest citizens?

What is so special in 4th of july???

6. Which of the following sentences requires a colon to be correct? A. When she decided to write a letter, she grabbed her pen, paper, stamps, and addres

Suppose you are holding a container of gas, and the container has a fixed volume (i.e. it won't stretch or give to allow for expansion or contraction). if the g

what type of measurement is the speed of a car travelling in reverse

On a map, the distance between two towns is 3.4 inches. The map scale is 2 inches: 25 miles. What is the actual distance between these towns?

show all your work!Thank you!

Describe the key features of the parabola y^2=8x