3 years ago

How many ways can 15 horses finish 1st, 2nd, and 3rd in a race?

Mathematics

1 answer:

Yuliya22 [10]3 years ago

4 0

Answer:. There are 10 different horses that can come in first.

2. Then, there are 9 different horses that can come in second.

3. After that, there are 8 horses left that can come in third.

4.. Therefore, 10 times 9 times

Step-by-step explanation:

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2 years ago

Which of the following statements contain a variable? Check all that apply. A. There are 60 seconds in a minute. B. He is 15 yea

sdas [7]

The answer is the option C and the option D, which are:

C. Double the number of pages in the book.

D. The age of my friend.

The explanation for this problem is shown below:

By definition, a variable is an unkown quantity. In the Option A the quantity is given: $60$ seconds in a minute. In the option B you know the quantity too, which is $15$ years old. But the option C and the option D does not give any quantity, you don't know the number of pages in the book or the age of the friend yet. Therefore, the answer is the options C and D.