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

im stuck on this . and somebody give me a clear right answer because people r giving me wrong answers

25 POINTS Which plastic do you think could best contain extremely corrosive material? Why? Choices: PET or PETE, HDPE, PVC, LDPE, PP, PS.

Suppose that in a particular country, the probability that a randomly chosen person is a left-handed baseball player is 0.017 and the probability that a random

What kind of figurative language does Thomas plain use

What is a tundra? a tropical wet climate that supports grasslands and scattered trees a very dry climate with hot summers and mild winters a marine climate tha

The price of a cd was decreased by 20% to £7.68. What was the price before the decrease?

How is a provider’s scope of practice determined? A. by their personal history B. by their credentials C. by their education D. by their testing

In temperate zones, in which direction do winds blow? east to west west to east north to south south to north

Completer the blank with a <, >, or = -2 _ -4 -10 _ -5 -3 _ 0 l -8 l _ l -5 l 4 _ l -8 l I know which ones are bigger, but i always get confused what <

what does the golgi apparatus do?