That expression is the expected value of your winnings, or "the average amount you will win (or lose) per game in the long run".
Answer:
V=2543.4 cm^3
Step-by-step explanation:
V=pi*r^2*h
V=pi*9^2*10
V=pi*81*10
V=810pi
V=810*3.14
V=2543.4
Answer:
x=7
Step-by-step explanation:
I got this because it is rise over run

The missing number would be 3, and if you add that three to 4 you get 7. which means that the answer is...
(7,12)
<h2>Hope this helps you!!!</h2>
Answer:
4
Step-by-step explanation:
Given
x +
← substitute x = 2 + 
= 2 +
+ 
Rationalise the denominator of the fraction by multiplying the numerator/ denominator by the conjugate of the denominator.
The conjugate of 2 +
is 2 -
, thus
= 2 +
+ 
= 2 +
+ 
= 2 +
+ 2 - 
= 4
Multiply 4 on both sides.
x = 8 / 5
x = 1 3/5
Hope this helps!