Answer:
Step-by-step explanation:
If we choose chairs having odd number in the row
no of chairs from which selection is made = 10
no of chairs to be selected = 5
no of ways = 10C₅
similarly if we choose hairs having even numbers only ,
similar to above , no of ways
= 10C₅
Total no of ways
= 2 x 10C₅
= 2 x 10 x 9 x 8 x 7 x 6 / 5 x 4x3 x 2 x 1
= 504 .
Angle #8 represents angle EHK
Answer:
i wish i were heather
Step-by-step explanation:
as she ridessss byyyyyy...
Answer:
Prime. Prime numbers can only be divided by the whole number, or one.
X decreased by the square of nine
x - 9^2 = x - 81
