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

which do you think uses a wide range of color variants and shades explain briefly

Why a child must not hide his / her online activities from their parents and teachers

polygamy is gradually declining in our societies. Discuss why?

How do I contact an admin

The diameter of a circle is 8 cm. Find its area in terms of \piπ. Please help!!!

help me pls The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?

What is the process by which people learn stereotypes and how do stereotypes impact their beliefs about the world?

Imagine you want to write a classical piece that includes a solo instrument. The instrument needs to be able to show versatility and produce a wide variety of m

Why is it important to have good naming conventions for files? A. To make it easier to identify them B. To easily apply passwords to them C. To have Windows

PLEASE HELPPP ITS DUE SOON