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Leokris [45]
4 years ago
14

15 - (-7) = ?? Please help if you know the answer can you maybe show work or explane how you got the answer thank you :)

Mathematics
1 answer:
Lena [83]4 years ago
5 0

Answer:

22

Step-by-step explanation:

since a negative times a negative equals a postive the equation becomes 15+7 which is 22

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From a group of 8 people 5 will each win $1000.How many different winning groups are possible?
ra1l [238]

Answer:

6720 ways different

Step-by-step explanation:

In this case, we must calculate the different ways using the permutation formula:

nPr = n! / (n - r)!

where n is the total number of people and r would come being the group of person that you want to put together the groups, therefore n = 8 and r = 5

replacing:

8P5 = 8! / (8 - 5)!

8P5 = 6720

That is to say that there are 6720 ways different winning groups are possible

4 0
3 years ago
Help please thank you
Wewaii [24]

Answer:

Exponential

Step-by-step explanation:

Exponential describes a very rapid increase. An exponential rise in the number of first graders with head lice might be a result of all the hat sharing that's gone on lately.

Exponential is also a mathematical term, meaning "involving an exponent." When you raise a number to the tenth power, for example, that's an exponential increase in that number. When your next door neighbor describes the exponential growth of her rose bushes or the exponential increase in members of her book group, she means that there's been a sharp, fast expansion of both things.

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3 years ago
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S=3F-24
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