For every four white balls taken out one black ball is taken out so it would be the 52 white ball
Answer:
1=x or x=1
Step-by-step explanation:
3(x+2)-10=4x-6+x
distribute
3x+6-10=4x-6+x
combine like terms
3x-4=5x-6
subtract 3x from each side
-4=2x-6
add 6 to both sides
2=2x
divide by 2
1=x or x=1
The second image is 3 times the size of the first one so 7 times three gives you 21 =m
Answer:
The expected win of a coin flip in dollars is 1.25.
Step-by-step explanation:
To find the expected win of a coin flip, we multiply the probability of each outcome by their earnings, and then add them.
We have that:
3/4 probability of heads. If heads, you win $2.
1/4 probability of tails. If tails, you lose $1.
What is the expected win of a coin flip in dollars?
The expected win of a coin flip in dollars is 1.25.