debrieaamally debrieaamally

22-02-2017
Mathematics

contestada

A train travels 56 kilometers in 4 hours, and then 90 kilometers in 2 hours. what is its average speed?

Respuesta :

wolf1728 wolf1728

22-02-2017

56 + 90 = 146 kilometers
4 + 2 = 6 hours

rate = 146 km / 6 hour
= 24.333 km / hour

Answer Link

Otras preguntas

Part complete How long must a simple pendulum be if it is to make exactly one swing per five seconds?

Which of the following correctly shows the property of distribution? A.5(x – 2) = 5x – 2 B.4(x + 3) = 4x + 12 C.3(x + 1) = 3x – 3 D.2(x + 7) = x + 14

The parents of a 12-year-old girl report their daughter is missing an increasing amount of school. They further share that the child says she feels ill and begs

X divided by 4 equals -7. What is x?

(x^3-6x^2-9)/(x-6) long division

In the context of Camp Bow Wow, which of the following is likely to be affected and shaped by founder Heidi Ganahl's inspirational life story?a.Specific environ

Laws represent society’s view of basic ethical rules. And most people agree that certain activities such as murder, assault, and fraud are wrong. However, laws

Martha can produce 70 quilts or 140 batches of chocolate chip cookies in a month. Jane can produce 8 quilts or 24 batches of chocolate chip cookies in a month.

True or False: Like the edges of a filled-in area, the endpoints of a polygon do not need to conform to snap points.

Which research study is a compromise technique that essentially examines a number of different age groups at several points in time, and permits developmental r