3 years ago

The difference of a number and ten is negative eight. Find the number?

1 answer:

5 0

Your answer would be 2.

Steps:
1. You add 10 and negative 8 together. You get 2.
2. You check by plugging in two.
3. It matches, so that is your answer.

Hope I helped!

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V1-v2\t solve formula for v1

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Answer:

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3 years ago

Perfect pizza has 16 toppings listed on their menu. how many ways could a customer choose a pizza that contains 5 different topp

marishachu [46]

Answer:

4368 ways

Step-by-step explanation:

Use nCk for this. 16C5. This is $\frac{n!}{(n-k)!(k!)}$ . This becomes $\frac{16!}{(11!)(5!)}$ . This is $\frac{16*15*14*13*12}{5*4*3*2*1}$ due to 16! and 5! canceling out. This becomes 4368.