JAWbone5468 JAWbone5468

15-12-2021
Mathematics

contestada

a train traveled 3/5 of a journey in 7 hours and then traveled the remaining 400 km in 3 hours. what was the average speed

Respuesta :

elliely24 elliely24

15-12-2021

400 km = 2/5 of the journey
200 km = 1/5
1000 km is the whole journey. It took 10 hours (7+3) and 1000/10= 100km/h as the average speed

Answer Link

Otras preguntas

Hoà tan 20,8g BaCl2 vào nước được 0,5l dung dịch. Nồng độ của ion Cl- trong dung dịch?

if you want to add other names in the list of national heroes ,whose name do you add ?give reasons

. Simplify an expression for the perimeter of the rectangle.

Like I said I suck at reading

Congress has recently decided to build a new playground, swimming pool and park in a few major cities. The residents of the areas designated for the new parks h

An Oak tree can grow at a rate of 2 feet per year. An Elm tree can grow as fast as 3 inches per month. How much will each type of tree grow In 10 years? An oak

TRUE or FALSE: Journalists do not have a special right to access places such as prisons, crime scenes or persons' private homes. 1.True 2.False

Ponyboy realizes that, despite their different classes and friends, the two of them see the same sunset. What do you think he means by this? In 5-7 sentences (m

What was an effect of the British attack on Fort Duquesne? A. The surrender of Washington B. The defeat of French forces C. British alliances with Native Amer

I took the quiz “conflict with the Indians” and the answers are below 1.C 2.B 3.A 4.D 5.D 6.B 7.A 8.D 9.A 10.C