A)If the order of the speakers is important, we have 20x19x18x17, or 116,280 different options.
b) If order is not important, then we have 20 choose 4, or 4845 different slates. ☺☺☺☺
Answer:
y = 8 (Answer D.)
Step-by-step explanation:
We need to solve the following system of equations:
so we start by multiplying both sides of the first equation by 12 so as to get rid of denominators and make our calculations simpler:
Since we are asked to solve for the unknown "y", we multiply the second equation of the system by "-2", because that way, the term in x will cancel out once we combine both equations term by term:
now we combine the two modified equations to solve for the requested unknown "y":
We can now easily solve for y:
That baisicallly means they are tied and the game can go either way!
Answer:
Step-by-step explanation:
hello,
hope this helps