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

How much force is needed to move a box to an acceleration of 1.5 m/s^2 and a mass of 50 kg?
A rectangle's length is three times its width.  Let w denote the rectangle's width.  What polynomial represents the rectangle's area?
To what extent did world war 2 effect women's daily lives?
Please can some one explaine fore me What is work done
how does friction affect brick structures
??? What is Continuing Education?
Circumference of a circle is 40 π cm. A quarter of the circle represents the developer layer genuine coupe. Calculate the surface compartment.
What Is the Connection Between the Digestive System and Urinary System?
When evaluating promotional claims, it is important to __________.a.do your own research c.determine if there are other possible solutions b.ask if it makes sen
If f(x) = x²-5x and g(x) = 2x-3, which expression represents the product of these two functions?1) x²-3x-32) 2x³-13x²+15x3) 9x²-15x4) 2x³-15x