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VikaD [51]
3 years ago
11

Can someone help please !

Mathematics
1 answer:
devlian [24]3 years ago
4 0

Answer:

walang hiya ka it's the answer I know the answer it's real I become A++ in my test

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In a race in which eleven automobiles are entered and there are no ties, in how many ways can the first three finishers come in?
viva [34]

Answer:

990 ways

Step-by-step explanation:

The total number of automobiles we have is 11.

Now, what this means is that for the first position , we shall be selecting 1 out of 11 automobiles, this can be done in 11 ways( 11C1 = 11!/(11-1)!1! = 11!/10!1! = 11 ways)

For the second position, since we have the first position already, the number of ways we can select the second position is selecting 1 out of available 10 and that can be done in 10 ways(10C1 ways = 10!9!1! = 10 ways)

For the third position, we have 9 automobiles and we want to select 1, this can be done in 9 ways(9C1 ways = 9!/8!1! = 9 ways)

Thus, the total number of ways the first three finishers come in = 11 * 10 * 9 = 990 ways

8 0
4 years ago
A newspaper carrier has ​$6.40in change. he has two more quarters than dimes but five times as many nickels as quarters. how man
bekas [8.4K]
He has 11 quarters, 9 dimes, and 55 nickels.
11x.25=2.75
9x.1=.9
55x.05=2.75
2.75+2.75+.9=6.4
4 0
4 years ago
5. The denominator of a fraction exceeds the numerator of a fraction by 25.
Nostrana [21]

9514 1404 393

Answer:

  15/40

Step-by-step explanation:

The difference between denominator and numerator in 3/8 is 8-3 = 5. In order to get an equal-value fraction with that difference being 25, each of the numbers must be multiplied by 5:

  3/8 = 15/40

The number is 15/40.

3 0
4 years ago
PLEASE HELP WILL GIVE BRAINLIEST!!!
geniusboy [140]

Answer:

b

please correct if wrong

Step-by-step explanation:

7 0
3 years ago
To prove that opposite sides of the given parallelogram ABCD are congruent, which of the following postulates would you use?
GrogVix [38]

I would use the answer D

5 0
3 years ago
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