algebra
It would cost $79.59 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $75.31. How much does an average movie ticket cost in each of these countries?
algebra
A store mixes Brazilian coffee worth $11 per kilogram and Venezuelan coffee worth $15 per kilogram. The mixture is to sell for $14 per kilogram. Find how much of each is needed to to make a 216-kilogram mixture. Brazilian coffee needed- Venezuelan coffee needed-
algebra
Solve by using the elimination method. 9x-y=72 x+4y=45
algebra
Solve by using the elimination method. 7x-8y=-20 8x+7y=74
algebra
Solve by using the elimination method. 2x=2+4y -3/2x+y=-31/2
algebra
What are the coordinates for each equation. 3x-2y=-18 -3x-y=0
algebra
Solve by the substitution method. 2x+7y=16 x=22-7y
algebra
Solve the system of equations by graphing. -3x-2y=18 3x-y=0
algebra
Solve by the elimination method. 2x-7y=-36 7x+2y=33
trig
Construct the equations of the following trigonometric functions: A)A sine function with amplitude 2, period , phase shift /3 right B)A tangent function with a reflection in the y-axis, period ¾, translation up 5 units C)A cosine function with period 270°, translat...
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