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Trava [24]
3 years ago
11

What is the area of the pool?

Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0
The area is 336 is you multiply the outer numbers then subtract the numbers on the in side that's what you get
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Is the number of members of Club X greater than the number of members of Club Y ? (1) Of the members of Club X, 20 percent are a
Oliga [24]

Answer:

Yes

Step-by-step explanation:

The 20% of members of club X that are also members of club Y can be written as: P(Y/X) = 20% (that is, the probability of belonging to Y given that it belongs to X)

The 30% of members of club Y that are also members of club X can be written as: P(X/Y) = 30% (that is, the probability of belonging to X given that it belongs to Y)

The formula of conditional probability of A given B is  

P(A/B) = (A∩B) / P(A)

Where (A∩B) is the probability that both events A and B occur and P(A) is the probability of A.

Based on that, we can write,

P(Y/X) = P(Y∩X) / P(X) = 20 % = 0.2

P(X/Y) = P(Y∩X) / P(Y) = 30 % = 0.3

Clearing P(Y∩X) of both equations and equalizing,

P(Y/X).P(X) = P(X/Y).P(Y)

Moving terms ,

P(X) / P(Y) = P(X/Y) / P(Y/X) = 0.3 / 0.2 = 1.5

That is, P(X) is 1.5 times P(Y), which means that the amount of members of X is greater than the members of Y.  

7 0
3 years ago
What is the final transformation in this sequence of
miskamm [114]

Answer:

D. A rotation 180° about Z'

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
13.5 is 15% of what number?<br> O A) 111.1<br> OB) 60<br> OC) 202.5<br> OD) 90
Nostrana [21]

Answer: 90

Step-by-step explanation:

15% of 90 = 13.5

4 0
3 years ago
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Tina rides the bus to school, Theo bikes to school, and Tony walks to school. Their probabilities of being the first one to scho
Pie

Answer:

Tina is first

Tony is first

Theo is first

Step-by-step explanation:

Events with greater probability are more likely.

Let's put the probabilities in decimal form.

P(Tina is first) = 0.05

P(Theo is first) = %85 = 0.85

P(Tony is first) = 1/10 = 0.1

0.05 < 0.1 < 0.85

The events are listed below from least to most likely.

Tina is first, Tony is first, Theo is first

hope it helps

8 0
3 years ago
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Find the Least Common<br>Multiple of 26 and 38.​
Drupady [299]

Answer:

494

Step-by-step explanation:

3 0
3 years ago
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