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Scientists are studying the temperature on a distant planet. They find the surface temperature at one location is 40 degrees Celsius. They also find that the temperature decreases by 3 degrees Celsius for each kilometer you go up from the surface.

Let T represent the temperature in Celsius and let H be the height above the surface in kilometers. Write an equation relating T to H and then graph the equation using the axes below.

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

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: