The distance between 0 and the point representing the real number

Step-by-step explanation:

The real number could be on either side of 0 on a number line.  In this special situation we don't need to write '0',  The distance in question is then |x}, which is always zero or positive, regardless of whether the point in question lies to the left of 0 or to the right of 0.

the answer is a

step-by-step explanation:

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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rauschg

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