Answer:
(answer in explanation)
Step-by-step explanation:
so, whenever you divide factorials, as soon as you get it to be the same ! on the top and bottom of the fraction, they cancel out like any other fraction would.
So, lets say you're dividing 55! / 50!
55! can also be thought of as 55 x 54 x 53 x 52 x 51 x 50!
= 55 * 54 * 53 * 52 * 51
Then you can simply solve the remaining equation
( 55 * 54 * 53 * 52 * 51 = 417,451,320)
hope this helps!!
Answer:
The solutions are:
x=2
x=−5
Explanation:
2x2+3x−10=0
hope this helps (:
Step-by-step explanation:
Answer: (-1,2)
Step-by-step explanation:
Direct variation:-
y = kx where k is a constant
y=12 when x=6 so we have:-
12 = k*6
k = 12/6 = 2
so our equation of variation is y = 2x Answer
Answer:
C. 3.50
Step-by-step explanation:
He bought a lunch two times, so $1.75*2 = 3.50.