Parker's dog will be having four puppies. Parker performs a simulation by tossing a coin to model whether these puppies will be male or female. • H=female puppy • T=male puppy The simulation results are:

70% (A)

Step-by-step explanation:

If H represents female puppies, and at least 2 will be female, you have to count the number of H's in for each "trial". 7 out of the 10 trials have at least 2 H's, meaning there is a 70% chance.

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

rauschg · hand

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step-by-step explanation: