Type the correct answer in each box. Use numerals instead of words. An investment worth $50,000 has these expectations of returns: 30% chance of ending up worth $40,000 50% chance of ending up worth $50,100 20% chance of ending up worth $65,000 Determine the expected value and risk. The expected value of the investment is $ . The investment is risky because it has only a % chance of making a significant return.

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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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the answer is a beach is the best place to be