Answer:
4/9
Step-by-step explanation:
Notice the repeating symbol on top of the 0.4, so instead of 4/10, it would be 0.44444, which is 4/9 if you turn it into a fraction.
Answer:
Step-by-step explanation:
Given that if an odd number comes up, you lose.
i.e. 

If you get 2 or 4 you roll again
Thus rolling again prob = 
After rolling II time, if get 6, win otherwise lose.
Thus winning amounts A canbe
0 36 60

This is a genuine pdf since prob >0 and total prob = 1.
b)Expected gain = sum of gain * prob = 
Thus I would be willing to pay an amount atmost 12 dollars.
45 + C
This is simple, don't over think these problems <3
Answer:
X = 45°
Y = 72°
Step-by-step explanation:
There is a supplementary angle (an pair of angles that create a straight line is equal to 180°) and there is the rule that all three angles in a triangle equal 180° as well.
Answer:
72
Step-by-step explanation:
Exhaustive search shows the numbers to be 12, 24, 36. The sum of these three numbers is 72.