N! Use:
n k!(n-k)!
to solve the combination.
CK= K! (n-k)
How many ways can you
choose steak, fish, or chicken if you
can only choose two meats?
[?] ways
Enter

the answers are in the images, i received 100% on this assignment. hope this !

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

there is no picture in order for this question to be answered