Answer:
30
Step-by-step explanation:
Given: There are six finalists and two medals. That is it asks for the possibilities of 6 finalists taking two at a time. Say, for example the first and third finalist or the second and the sixth finalist and so on. The number of possibilities is given by 
So the number of possibilities of 6 finalists taken two at a time is 
![$ \implies \frac{6!}{(6 - 2)!} = \frac{6!}{4!} \hspace{15mm} [n! = n \times (n-1) \times (n - 2) \times . . . 2 \times 1] $](https://tex.z-dn.net/?f=%24%20%5Cimplies%20%5Cfrac%7B6%21%7D%7B%286%20-%202%29%21%7D%20%3D%20%5Cfrac%7B6%21%7D%7B4%21%7D%20%20%5Chspace%7B15mm%7D%20%5Bn%21%20%3D%20n%20%5Ctimes%20%28n-1%29%20%5Ctimes%20%28n%20-%202%29%20%5Ctimes%20.%20.%20.%202%20%5Ctimes%201%5D%20%24)
Answer:
s =6
Step-by-step explanation:
40 8
--------- = ---------
30 s
Using cross products
40*s = 30*8
40s = 240
Divide each side by 40
40s/40 = 240/40
s = 6
Answer: $255
Explanation: Multiply 300x15% to find the amount of money discounted which is $45. Then subtract the $45 from the $300 to get $255. Hope this helps!
Answer:
here! I hope this helps :) the answer is 13.2 or 13 1 (upon 5)
Step-by-step explanation:
3 × 4 2 (upon 5)
=3× 22 (upon 5)
=66 (upon 5)
=13 1 (upon 5)
