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1. A large park in the shape of a parallelogram has diagonal paths that meet at
a 60° angle. If the diagonal paths are 12 km and 20 km long, find the
perimeter and the area of the park
2. A loading ramp 5 m long makes a 25° angle with the level ground beneath it.
The ramp is replaced by another ramp 15 m long. Find the angle that the new
ramp makes with the ground.
3. Solve triangle ABC if a : 4,6 = 6, and c=5.

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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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answers

rauschg

rauschg · hand

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step-by-step explanation:

positive

step-by-step explanation:

the quadrant is facing upwards

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