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?!!!!

Over heating an enzyme results in the enzymes loss of

If Maria winks exactly 5 times every minute and she sleepsexactly 8 hours a day, how many times does Maria wink everyday?

IQ scores are measured with a test designed so that the mean is 120 and the standard deviation is 12. Consider the group of IQ scores that are unusual. What are

A video game was originally priced at $50, but Tess waited to buy it until the video game wason sale for 60% off. If she paid 5% sales tax on the sale price, ho

Can someone please explain how to do this

Why did some leaders of Middle Eastern nations oppose secular governments there? A. They believed in Westernization. B. They thought Muslim nations should f

Why can we say that population education is a multidisciplinary subject?

Why were river systems important in supporting early civilizations and in helping the flourish

PLEASE HELP THANK YOU SO MUCHHHH