the car completes a 200 km journey at an average speed of (x+10km/h). Show that the difference of the two journey is 2000÷x(x+10) hours. find the diffrence time taken for each two journeys when x=80 .give your answer in minutes.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?

Tiene pendiente -4 y pasa por el punto (-3,-2) encuentre la ecuación de la recta