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

A triangle has sides of length 4xy, 7, and2x. Which expression represents the distance around, or perimeter, of the triangle? O 6z+y+7 O 6x + 4y +7 O4zy + 2x +7

What is this phrase in English? "Mi madre es muy inteligente."

Complete the sentence with a word that means the same as "rare"

The width, of a rectangle is 1/2 of its length. What are the sides of the rectangle if its perimeter is 63 in

b) An earthed conductor was brought near the charged student. A spark jumped between the conductor and the student. The potential difference between the conduct

Hey, How are you what you doing

(1) When we call someone “pig” or “swine,” we do not mean it as a compliment. (2) But pigs do not deserve to be used as a symbol for an insult. (3) They are pro

1.07 x 104 -3.38 × 10³

PLEASE HELP I NEED IT BY TODAY I WILL GIVE YOU 44 POINT AND BRAINLEST

Complete the sentence with a word that means the same as "rare"