Answer:
A.Put each person's name on a separate piece of paper in a bag. Randomly draw the winning name; and D.Roll a number cube. If it lands on an even number, Roddy wins. If it lands on an odd number, Scott wins.
Step-by-step explanation:
In order for it to be a fair decision, both boys have to have an equal chance of being selected.
For choice A, drawing their names from a bag, both names are equally likely to be chosen; that makes this fair.
For choice B, there is 1 way to get both heads when flipping a coin. There are 2 ways to get heads and tails when flipping a coin. This gives Scott a greater chance, so this is not fair.
For choice C, there are 2 ways to get a 1 or a 2. There are 4 ways to get anything else. This gives Scott a greater chance, so this is not fair.
For choice D, there are 3 even numbers and 3 odd numbers. Both boys have an equal chance, so this is fair.
Answer:
(4,0)
Step-by-step explanation:
Graph the equations and locate the intersection.
Answer: Susan’s favorite food is not pizza.
Step-by-step explanation: a counterexample is an example that shows the statement is false. So if most of the 9th graders in your school do not like pizza, then pizza would not be their favorite food.
Answer:
Step-by-step explanation:
to find the "solution" to this system, set f=g.
then we get:
plugging in 3,-3 for x in both equations, we get:
(3,7),(-3,-7),(-3,-5)
