Jim charges a different hourly rate for babysitting different numbers of children. The table below shows the pattern in the amount per hour that Jim charges. 0.8x + 6.7 0.8x + 7.5 Jim's Babysitting Rates Amount Number per Children Hour ($) 7.50 6.7x + 0.8 d) 7.5x + 0.8 8.30 9.10 4 9.90 The pattern continues. Which expression describes the amount, in dollars, that Jim charges per hour for babysitting x children?​

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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step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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step-by-step explanation:

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