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

Jus 360 no sniped my little sister get on my Game kid

Annual maintenance cost for a particular section of highway pavement are $3,000.The placement of a new surface would reduce the annual maintenance cost to $400

what type of solution would you get for -5=-5 A. one solution B. no solution C. infinite

10. Which of the following is NOT one of the traits the presentation stated is particularly important for community-oriented police to possess? A Assertive B. C

A total of $10,000 is invested at an annual interest rate of 3%. Find the balance after 5 years if the interest is compounded a) quarterly and b) continuously.

can someone help me with this

what is the value of X with f (x) =4

180=16x -5+5x +4 +9O

Joey completed 1,456 push-ups over a 4-week period. Joey did the same number of push-ups every day. How many push-ups did Joey do each day?

Which of the following statements about STIs is TRUE? You cannot catch an STI through kissing or touching. STIs are dangerous infections that cause serious dama