Answer:
18
Step-by-step explanation:
note when dividing the denominator and numerators changes position so when it changes it will be 3×6=18
I believe the answer is 4
Answer:
theres no picture.
Step-by-step explanation:
I think
(Total)
3 : 6 : 8 = 17
(Times by 30 to get total then you times by each ratio/side)
90 : 180 : 240= 510cm
Answer:
330
Step-by-step explanation:
This is the "choose" formula.
The equation for the choose formula is this:
nCk = n! / k!(n-k)!
! = factorial.
Plug in our numbers:
11C4 = 11! / 4!(11-4)!
39916800 / 24(5040)
39916800 / 120960
330
