weebmodeactivated weebmodeactivated

01-01-2021
Mathematics

contestada

A car travels for x hours at a speed of (x + 2) km/h. If the distance
travelled is 15 km, write down an equation for x and solve it to find
the speed of the car.

Respuesta :

AlwaysAppear AlwaysAppear

01-01-2021

Step-by-step explanation:

S = v/t

(x+2)km/h

((x+2)×1000)/(60×60) = (15×1000)/(60×60)

(5(x+2)/18) = 25/6

30(x+2) = 18×25

x+2 = 15

x = 13m/s

Answer Link

Otras preguntas

A small amount of acid is added to a buffered solution. what will happen

a jar contains n nickels and d dimes. there are 20 coins in the jar, and the total value of the coins is $1.40. how many nickels and how many dimes are in the j

The name of the Great Lake that is farthest north is Lake _____. A : Erie B : Michigan C : Ontario D : Superior

A ____ is a named group of formatting characteristics

match the measurements to the correct number of significant figures A. 408.03 _1 B. 8.0 _2 C. 8.09 _3 D. 0.3

How would you turn a basic summary of a story into a theme-based summary? by replacing all the information about plot with a one-sentence summary of the theme b

How does the author of the history text make the reader feel as if they are there at the march in Washington

What is the work required to raise a 10. kg object from the surface of the earth to a height of 2.0 m?

What tool is used to provide a lot of numerical information in a very small area?

Quick Fun Answer What times 5 equal 125?