Answer:
2.5
Step-by-step explanation:
Direct variation means their ratio is a constant
x/y is 9/45=1/5
so when x=2, y=5*2=10
Answer:
1/9 use inverse.
Step-by-step explanation:
this is because you can use inversem since the word "of" indicates multiplication divide 1/27 and 1/3 and you get 1/3
Answer:
See it in the pic.
Step-by-step explanation:
See it in the pic.
Each coin has a head and a tail, therefore when you toss two coins, you have 4 possible outcomes. You have two heads in only one of these outcomes, while the other three have at least one tail.
The expected value of the game is the price paid/gained times the probability of loss/victory:
E = (1 / 4) · (-6) + (3 / 4) · (2)
= -3 / 2 + 3 / 2
= 0
Bob expects to tie with Will.
