-20 is the answer I think
Answer:
ok
Step-by-step explanation:
You are implying that 2x- 9=31
Add 9:
2x=40
Divided by :2
x=20
therefore I thing the number is 20
The answer is six. Relative frequency is a tool used for probability. It means using real-life outcomes to predict the probability of future outcomes. Since the realitive frequency of Barney's high school winning a match is 0.2, or
, that means that out of the past 30 matches only
were victories.
* 30 = 6, therefore only six out of the previous matches were wins.
75/15=5 so the answer would be 5 months