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gogolik [260]
3 years ago
6

Please help i don’t know properties for shi

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

18. Commutative property of addition

19. Distributive property

20. Associative property of addition

Step-by-step explanation:

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I need one more good reason to pitch a game reality show. Since the last person I asked trolled me :(
Lorico [155]

Answer:

A good reason is to bring people together to answer questions that can improve millions of who watch to know more.

Step-by-step explanation:

7 0
3 years ago
A group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 tickets. If they randomly decide who will
Eddi Din [679]

Answer:

D. 0.821

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The combinations formula is important to solve this question:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes

The order is not important. For example, Elisa, Laura and Roze is the same outcome as Roze, Elisa and Laura. This is why we use the combinations formula.

At least 3 girls.

3 girls

3 girls from a set of 5 and 2 boys from a set of 3. So

C_{5,3}*C_{3,2} = 30

4 girls

4 girls from a set of 5 and 1 boy from a set of 3. So

C_{5,4}*C_{3,1} = 15

5 girls

5 girls from a set of 5

C_{5,5} = 1

D = 30+15+1 = 46

Total outcomes

5 from a set of 8. So

T = C_{8,5} = 56

Probability

P = \frac{D}{T} = \frac{46}{56} = 0.821

So the correct answer is:

D. 0.821

6 0
3 years ago
Read 2 more answers
Help pls ty I need help
Marysya12 [62]

Answer:

1. 2

2. 3

3. 1/2

4. 3/2

5. 6

6. 1/4

7. 4/3

8. 5

Code:P-o-w-e-r-f-u-l

Step-by-step explanation:

Hope this helped!

4 0
3 years ago
Read 2 more answers
Distributive property -8(1+5m)
Stolb23 [73]

Answer:

im pretty sure that it is -48 there is a chance im wrong

Step-by-step explanation:

.

3 0
3 years ago
You are rolling a fair, six-sided number cube. Let E = the event that it lands on an even number. Let M = the event that it land
Jlenok [28]

Answer:

The correct answer is option c. "The probability of landing on an even number given that the number is a multiple of three".

Step-by-step explanation:

In probability, the symbol "P(X | Y)" alludes to a conditional probability, which refers to the expected probability of "X" given that "Y" has been met. In this case, in a dice rolling scenario "P(E | M)" refers to the probability of "E" given that "M" has been met. Therefore, "P(E | M)" means in words: the probability (P) of landing on an even number (E) given that the number is a multiple of three (M).

8 0
4 years ago
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