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 of the following individuals can become a naturalized citizen? a. Anyone born in a United States possession, as long as one parent is a citizen of the Un

what is greater 100 inches or 3 yards and 1 foot

The term el zapateado comes from the Spanish word for which of the following? a. feet c. shoes b. dance d. drums

What's the quadratic equation?

Which of the following is not a primary source?

Which of the following is true about imprinting? a. It is often used in the training of adult animals. b. It is restricted to birds. c. It always involves th

The most common patterns of minority treatment include assimilation, segregation, subjugation, and legal protection. a. True b. False

is 7/10 more than 1/2

In pre-school,there are 6 children for every one teacher.In another pre- schoolthere are 24 children for every 4 teachers.Determine whether the ratios of childr

Charging high prices for new products is known as _________. A. Penetration price policy c. Charm prices B. Marginal Cost Pricing d. Price skimming