freemantatyanna freemantatyanna
  • 22-07-2017
  • Mathematics
contestada

A train travels 83 kilometers in 3 hours, and then 87 kilometers in 2 hours. What is its average speed? km/hr

Respuesta :

20pisraelyan
20pisraelyan 20pisraelyan
  • 22-07-2017
I believe it is around 35.5 km/hr
Answer Link
Аноним Аноним
  • 22-07-2017
average speed  = distance  / time  

=  (83+87) / 5  =  170 / 5 = 34 km/hr


Answer Link

Otras preguntas

2.2 • 10^6 - 4.3 • 10^5 = ?
My answer is b, is this right
A bakery has a fixed cost of $119.75 per day plus $2.25 for each pastry. The bakery was like to keep its daily cost at or below $500 per day. Which inequality s
Can someone help me I’ve been stuck with this for awhile cause I got 170 but it’s not one of the answer choices but it’s not there so maybe I’m wrong??
Which pair of structures forms the hip joint?         a. acetabulum and femoral head   b. patella and trochlea of femur   c. median condyle and lateral condyle
explain this image write up in India language , please?​
Although most biologists believe that many species are becoming extinct each year because of the activities of humans, relatively few species actually appear on
k= n times n + 9n +1 Mo says; " K will be a prime number for all integer values of 'n' from 1 to 9" Show that Mo is wrong. You must show that your value "K"
Two in-phase loudspeakers are 3.0 m apart. they emit sound with a frequency of 490 hz. a microphone is placed half-way between the speakers and then moved along
WHAT IS BETTER, ICE CREAM OR A GAME OF KNOCK DOWN ALL THE CUPS WITH ONLY 3 BALLS AND GET A PRIZE?