Precalc/Trig
what angle does the line y=6/7x make on the xy plane with a positive x axis?
Precalc/Trig
what angle does the line y=6/7x make on the xy plane with a positive x axis?
Physics
30. A truck of mass 2250 kg is used to pull a 330 kg trunk out of an old quarry as shown below. There is 550 N of rolling resistance for the truck. Ignore mass and friction of the pulley. (a) If the trunk is accelerated upward at 2.00 m/s2 what is the minimum amount of horizon...
grammar
their are children waiting in the lobby what is the simple subject
Calc II
A worker on scaffolding 65 ft above the ground needs to lift a 390 lb bucket of cement from the ground to a point 20 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required?
physics
A spring gun (k = 27.1 N/m) is used to shoot a 51.1-g ball horizontally. Initially the spring is compressed by 16.5 cm. The ball loses contact with the spring and leaves the gun when the spring is still compressed by 11.5 cm. What is the speed of the ball when it hits the grou...
Physics..PLZ HELP!!
A rollercoaster reaches the top of the steepest hill with a speed of 6.0 km/h. It then descends the hill, which is at an average angle of ?=45 and is 45.0 m long. Estimate its speed when it reaches the bottom. Assume µk=0.18.
Calculus...plz help!!
find dy/dx of xsiny-ycosx=1
CALCULUS help!!!=))
find dy/dx (-x^2)(y)+2xy=3y^2-7
CALCULUS help!!!=))
find dy/dx -x^2y+2xy=3y^2-7
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