Discover Questions

A 100 lb. mass is standing still along an inclined plane with an angle of inclination of 30 degrees, which one? Use the echelon method to solve the following system of two equations in two unknowns. 3x+2y=7, 6x+4y=6? MAKE u the subject of the formula D= ut+ kt square? Show all work. Find (fog)(1), (gof)(1), (fog)(x) and (gof)(x) f(x)=x^2+2 g(x)=4x-5 PLEASE HELP EXPLAIN THIS. I am desperate...........? Use the echelon method to solve the following system of two equations in two unknowns. 8x-7y=-1, -16x+14y=2?