Answer:
2 1/2 I think
Step-by-step explanation:
you find the L.C.M for all the fractions and multiply it. You should end up with whole numbers.
It should look like this
2n+3n=2
n= <u>2n+3n</u><u> </u> = <u>5</u>
2 2
n= 2 1/2
Answer:
352
Step-by-step explanation:
512 - 256 + 128 - 64 + 32 = 352
Answer:
five to the second power.
Answer: 65,780
Step-by-step explanation:
When we select r things from n things , we use combinations and the number of ways to select r things = 
Given : The total number of playing cards in a deck = 52
The number of different five-card hands possible from a deck = 2,598,960
In a deck , there are 26 black cards and 26 red cards.
The number of ways to select 5 cards from 26 cards = 

Hence, the number of different five-card hands possible from a deck of 52 playing cards such that all are black cards = 65,780
X + 2 = 12
subtract both sides by 2
x = 10