un tren viaja a 75 km/h transporta 27 personas en 36 minutos si quiere realizar el mismo recorrido en solo 24 minutos ¿a que velocidad debe viajar?

Collin did the work to see if 10 is a solution to the equation r/4=2.4

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.