Answer:
Step-by-step explanation:
I think that the answer is 16
A. C(13, 10) = 13! = 13·12·11 = 13 · 2 · 11 = 286.C(13, 10) = 13! = 13·12·11 = 13 · 2 · 11 = 286.
B. P(13,10)= 13! =13! =13·12·11·10·9·8·7·6·5·4.
(13−10)! 3!
C. f there is exactly one woman chosen, this is possible in C(10, 9)C(3, 1) =
10! 3!
9!1! 1!2!
10! 3!
8!2! 2!1!
10! 3!
7!3! 3!0!
= 10 · 3 = 30 ways; two women chosen — in C(10,8)C(3,2) =
= 45·3 = 135 ways; three women chosen — in C(10, 7)C(3, 3) =
= 10·9·8 ·1 = 120 ways. Altogether there are 30+135+120 = 285
1·2·3
<span>possible choices.</span><span>
</span>
In 10 minutes, Tom eats (5 cookies/minute)×(10 minutes) = 50 cookies.
Andy must eat the remaining cookies:
... 80 cookies - 50 cookies = 30 cookies.
_____
The answer to the question asked is
Andy must eat 30 cookies.
The answer to the question not asked is
Andy eats those cookies at the rate
... (30 cookies)/(10 minutes) = 3 cookies/minute
Answer:
x =-5
Step-by-step explanation:
