Mathematics, 24.03.2021 17:40 23espinosajose
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 in 7,500.Two times the number of points needed to clear the easy level is 500 more than the number of points to clear the medium level. Twice the number of points needed to clear the medium 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
Answers: 1
Mathematics, 21.06.2019 17:00
Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.
Answers: 1
Mathematics, 21.06.2019 17:30
Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.
Answers: 1
Mathematics, 21.06.2019 18:00
Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?
Answers: 3
A video game has three difficulty levels: easy, medium, and expert. The game's scoring works in such...
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