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Maslowich
3 years ago
11

PLEASE HELP ME QUICK DUDES!!

Mathematics
1 answer:
musickatia [10]3 years ago
8 0

Answer:

See graph attached

Step-by-step explanation:

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From a group of 8 volunteers, including Andrew and Karen, 4 people are to be selected at random to organize a charity event. Wha
Ede4ka [16]

Answer:

D. 2/7

Step-by-step explanation:

The probability is calculate as a division between the number of ways in which Andrew will be selected and karen will not and the total ways in which they can select 4 people from a group of 8 volunteers.

The number of ways in which they can select 4 people from a group of 8 volunteers can be calculated using:

nCk=\frac{n!}{k!(n-k)!}

Where nCk give as the number of ways in which we can form groups of k elements from a group of n elements.

So, if we replace n by 8 and k by 4, we get:

8C4=\frac{8!}{4!(8-4)!}=70

Then, there are 70 ways to select 4 people from a group of 8 volunteers.

At the same way, the number of ways in which Andrew will be selected and karen will not can be calculate replacing n by 6 and k by 3 in the same equation as:

6C3=\frac{6!}{3!(6-3)!}=20

We replace n by 6 because from the 8 volunteers, Andrew is going to be selected and Karen will not, so, the people that affect the result are just the 6 remaining volunteers. Also, k is equal to 3 because Andrew is already selected and we just need to select 3 more people.

Finally, the probability is:

P=\frac{20}{70} = \frac{2}{7}

4 0
2 years ago
A piecewise function g(x) is represented by the graph which functions represent a piece of the function select three options
murzikaleks [220]

€€×&ruhrbdhhbfhqklobd221jejdnncxchmekpalednnxhjdnnchjfjrj

Step-by-step explanation:

hzhnrbchchjnncnchgkqlpqjehsnkkeplfgbhfssgbchkekemdmjcjj2oohuetywioqpeuywiopddhuxnncbnsmmajsnbdbvxhdj jndnnfhj b3jjdjdjd ndjnnfhcnn jndncjkakksj hdhjchjcj ndnnbcjc bdhnxjjdjjdk njjdjdjckkf hdjjdhxjjx hdhjcjjcjnrfj hsjnk

3 1
2 years ago
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Find the constant of proportionality if y is directly related to x when y = 12 and x = 6
Sergeeva-Olga [200]

Answer:

2

Step-by-step explanation:

Please see attached picture for full solution.

3 0
3 years ago
Please help me with this
marishachu [46]

Answer:

?

Step-by-step explanation:

3 0
3 years ago
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Kathy goes to a Halloween store that is closing for the season, so everything is 60% off of the original price.
julsineya [31]

Answer:D

Step-by-step explanation:

7 0
2 years ago
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