Tyler’s mom purchased a savings bond for tyler. the value of the savings increase by 4% each year. one year after purchased , the value of the savings bond was 156. find the value of the bond when tyler moms purchased. explain your reasoning

150

Step-by-step explanation: So, it increases by 4% which means that some number times 1.04% equals 156. Just taking a guess, use 150. Check it. 150 times 1.04% equals 156.

345

step-by-step explanation:

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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