SOLUTION: Please show work I don't understand!!!
11! / 4!(11-4)!
Answer is 330
Algebra.Com
Question 1078768: Please show work I don't understand!!!
11! / 4!(11-4)!
Answer is 330
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Please show work I don't understand!!!
11! / 4!(11-4)!
-------------
n! means n factorial, = n*(n-1)*(n-2)*(n-3)...1
---
11! / 4!(11-4)! = 11!/(4!*7!)
= 11*10*9*8*7*6*5*4*3*2*1/(4*3*2*1*7*6*5*4*3*2*1)
-----
Obviously, all terms from 7 down cancel.
---
= 11*10*9*8/(4*3*2*1)
= 7920/24
= 330
==============================
If you have a calculator with a ! button, it will do these
If you don't have a calculator like that, get one.
RELATED QUESTIONS
Simplify |-3+4 x-2|
the answer key says 11 but i don't know how that's the... (answered by Solver92311,ikleyn)
Write the slope-intercept equation for the line that passes through (-1, -4) and (4, 11). (answered by rfer)
MAT 145: Topics In Contemporary Math
Operations in Bases
Find each of... (answered by Alan3354,ikleyn)
11 - 8 ÷ (1/3 + 1/5) I need to show work on this. But I think the answer is... (answered by AnlytcPhil)
Hello, I am currently doing work on some exponential and logarithmic problems. I am... (answered by Theo,ikleyn)
I don't understand this question:
y=-11x2+bx+c has vertex (−2,5)
a=11 b=? (answered by ikleyn)
Polynomials
1. 18x + 6x + 26x = __________
2. - 19x + 7 + 15x + 11 = __________
3. (5x (answered by josgarithmetic)
Answer and show work too:
150=y/4-30
That is y over 4
7= -2(t-4)
7m-13-m=23
(answered by macston)
Solve. Then graph.
t + 19 ≥ 8
The solution is {t t ≥ -11}
The graphing is... (answered by padmameesala)