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

I need help please ASAP Ik how to do it its easy but I wanna make sure so please help

What branch can override a veto

6. Ideal measure of Central tendency and dispersion are: a. Mean and mean deviation b. Median and quartile deviation c. Median and standard deviation d. Mean an

convert 3:4 to percentage

the exterior angle of a regular polygon is 36°. what is the name of this polygon?

Southeast Asian empires like the Srivijaya, Khemer and Champa adopted their written script from China. O True O False

The length of a rectangular photo is 1 centimeter less than three times its width. If the area of the photo is 102 square centimeters, find the length and width

At least _______ of your daily grains should be whole grains. one-fourth one-half one-tenth one-third

Carlos is an administrative assistant at an insurance agency. He wants to gather feedback from customers on their service. He doesn't have a lot of time, and he

The number of solutions of |x - 1| + |x - 3| = 2 is