desereelopez5 desereelopez5

09-12-2020
Mathematics

contestada

Rachel travelled 240 km in 4 hours by train and then travelled 120
km in 3 hours by car. What is the average speed during the whole
journey?
A. 60.9 km/hr
B. 55 km/hr
C. 51.42 km/hr
D. 78 km/hr

Respuesta :

datmariobro datmariobro

09-12-2020

Answer:

B I believe.

Step-by-step explanation:

Answer Link

Otras preguntas

NEED THIS 2 + x^3 = 18

Suppose that you are headed toward a plataeu 70m high. If the angle of elevation to the top of the platau is 35 degree how far are you from the base of the plat

Two numbers total 65 and have a difference of 33. What are the two numbers?

A chemist wants to extract a solute from 100 mL of water using only 300 mL of ether. The partition coefficient between ether and water is 3.34. Calculate ????,

shelly is a manager in an event managemnt firm. She is admired by all the employees of the firm for her open communication, empathetic behaviour, and good leade

The chemical substance secreted by the posterior pituitary sland that stimulates uterine contractions during parturi- tion is a. prolactin b. luteinizing hormon

Explain the difference between State and national powers?

The B key on a piano has a fundamental frequency of about 242 Hz. What is the corresponding wavelength of the sound waves? (The speed of sound in air varies wit

Molly, a technician, has been tasked with researching an emulator for the software developers to test cross-platform applications on various PCs and a variety o

18b-3x=3(_b-_x) how do I work this problem