weebmodeactivated
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 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

The question that is asked....
Can someone plzzzz helppp meee
This government has elected leaders, people freedom, and the opposite-=\ Great Depression Outcomes Dictator Forbidden Fascist Inflation Democracy Communist Pros
[tex]25x |2| - 16 \: \\[/tex]​
Find the measure of the central angle below: 45°
PLEASE HELP! ILL MARK BRAINLIEST!!
Which of the following square roots is best represented by Point A? 3<------------------------------------(A)--->4 A)[tex]\sqrt 7\\\sqrt 12\\\sqrt 15\\\
Using ideas from Simon Bolivar’s 1815 Jamaican Letter (attached below), address the reasons behind his calls for independence as well as his concerns.
does ecstasy drug effect how long you live?
(iii) Name the foods that are broken down by the following enzymes:(a) pepsin(b) lipase.​