Two towns that are 52.5 km apart are 5 cm apart on a map. what is the scale of the map? (a) 1 cm = 11.5 km (b) 1 cm = 12.5 km (c) 1 cm = 10.1 km (d) 1 cm = 10.5 km

D) 1 cm = 10.5

Step-by-step explanation:

if you divide 52.5 by 5 you get 10.5. If you multiply 10.5 and 5 you get 52.5. So that would be your answer.

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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: