Use the distributive property on right side and solve:
3x-6=22-x
4x-6=22
4x=28
x=7
So the solution is x=7
Hope this helped!
As it is one-to-one function,<span> f −1(12) = 1</span>
Answer:
Yes circumference divided by ratio equals to pi
Answer:
Step-by-step explanation:
The expected value is the probability of an event multiplied by the number of times the event happens. And if there is more than 1 event, the expected value is the sum of those.
There are 52 cards in a deck.
There are 12 face cards in a deck. (gain 10)
There are 4 ace in a deck. (gain 20)
Any other card is 36 of them. (lose 5)
The probability of face card is 12/52
The probability of ace is 4/52
The probability of any other card is 36/52
Thus the expected values is:
(12/52)(10) + (4/52)(20) + (36/52)(-5) = $0.38
