1 A Car travels 14.8km in 20 minutes. Find the speed of the car in m/s? 2 Convert 152 cm/s into km/h.
3 How long would it take to travel 150 km at a speed of 20 m/s?
4 If a total distance of 550 m is covered in a time interval of 25 s, the average speed is
5 578 km= cm ?

5578 km = 557800000 cm

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i dont know though lol it wouldnt let me put i.d.k or t.h.o

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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