3 years ago

What's your favorite subject, animal, and color? Decided to ask a fun question :)

Mathematics

2 answers:

ella [17]3 years ago

5 0

Answer:

My favorite subject is biology, my favorite animal is a quokka, and my fav color is pink :)

Step-by-step explanation:

Gnoma [55]3 years ago

4 0

My favorite subject is Math, my favorite animal is a dog, and my favorite color is blue.

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The Lacrosse booster club is holding a raffle for a fundraiser. They will sell 100 tickets for $5 each and select 4 winners. All

Nadusha1986 [10]

Answer:

<h2>There are 3,921,225 ways to select the winners.</h2>

Step-by-step explanation:

This problem is about combinations with no repetitions, because the same person can't win four times. It's a combinaction because the order of winning doesn't really matter.

Combinations without repetitions are defined as

$C_{n}^{r} =\frac{n!}{r!(n-r)!}$

Where $n=100$ and $r=4$ .

Replacing values, we have

$C_{100}^{4} =\frac{100!}{4!(100-4)!}=\frac{100!}{4! 96!}=\frac{100 \times 99 \times 98 \times 97 \times 96!}{4! \times 96!}= \frac{94,109,400}{24}= 3,921,225$