George washington is the first president
Answer:
Possible committee structures = 293930
Step-by-step explanation:
The combination expression is used here
²¹C₉ = 21!/(9!(21−9)!) = 293930
Answer:
wasting your points but hey these are the answers
Step-by-step explanation:
1) 72
2) 2
3) 30
4) 2
6/x= -2/18
Cross multiply. ( Multiply the numerators together ) . ( Multiply the denominators together (.
6*18= - 2*x
108= -2x
Divide by -2 for 108 and -2x
108/-2= -2x/2
x= -54
Answer: x= -54
Answer:


we can make these two equations.
solve for x and y:

x = 20

y = 27
The total number can be calculated by:
x + y = 20 + 27 = 47
Your answer:
47
which is D.