Révision chapitre 2B Le tournoi de soccer
Une équipe de soccer offre un service de lave-auto pour financer l'organisation d'un tournoi.
On demande 5 $ pour le lavage d'une voiture sous-compacte, 8 $ pour une voiture
compacte et 12 $ pour une berline ou une camionnette. Durant la journée que dure
l'activité, on lave trois fois plus de voitures compactes que de sous-compactes et 40 berlines
ou camionnettes de moins que de voitures compactes. Combien de véhicules de chaque
type ont été lavés si les recettes de la journée sont de 950 $?

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a. what is the independent and dependent variables? b. find the amplitude and the period of the function. c. create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.