Aslushy representative convinces you to lease a machine for $200 per month. you discover that you are selling $900 per month of slushies at a margin of 30%. are you making money on the machine?

Yes, you are making a profit.

Step-by-step explanation:

Let x represent the number of months.  Leasing a machine at $200 per month would give us the expression -200x (negative since we pay the money).

We sell $900 per month of slushies, and our profit margin is 30%.  This means we make 30% profit on the slushies; this gives us the expression 0.3(900x).

Adding these together, we have

-200x+0.3(900x) = -200x+270x = 70x

We earn $70 per month on the machine.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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step-by-step explanation:

answer: y=0 if that is what u r looking for