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ale4655 [162]
4 years ago
8

Can some one help me with 18

Mathematics
1 answer:
dimulka [17.4K]4 years ago
5 0

Answer:

82.6%

Step-by-step explanation:

Conditional probability is defined as:

P(A|B) = P(A∩B) / P(B)

where P(A|B) is the probability of A on the condition of B, P(A∩B) is the probability of both A and B, and P(B) is the probability of B.

Here, we want P(P|K), so:

P(P|K) = P(P∩K) / P(K)

P(P|K) = 0.019 / 0.023

P(P|K) = 0.826

82.6% of the members in the key club are also enrolled in AP Physics.

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Javier designs leather shoes at his workshop. He charges $45 for women's shoes and $50 for men's shoes. He needs to make $2,500
Nadusha1986 [10]

Answer:

Option D. 50 pairs of men's shoes.


Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You have that the situation is given by the following expression:

45x+50y=2,500

Where x is the number of women's shoes and y the numbers of men's shoes.

2. Therefore, if he does not have females costumers in a particular week, you have:

x=0

3. Substitute this into the first expression and solve for y:

45(0)+50y=2,500\\50y=2,500\\y=50

3 0
4 years ago
What is the area of the following circle?
skelet666 [1.2K]

Answer:

49pi

Step-by-step explanation:

Area of a circle is diameter * 1/2 squared times pi. Then, ((14 * 1/2)^2)pi equals 49pi.

P.S: don't cheat in khan my man, that's dishonored

4 0
3 years ago
Monica has 5 red cubes, 6 blue cubes, and 4 green cubes in a bag. She randomly chooses 9 cubes and gets 3 of each color.
aleksandrvk [35]
Red blue green so 3
7 0
3 years ago
Christiana works at Texas Road House and makes $50 each night in tips plus $7.50 per hour. Write a function rule in function not
WITCHER [35]

Answer:

M(h) = 7.50h + 50

Step-by-step explanation:

Let's first get our variables straight. M is how much money you make each night, and h is the amount of hours she works.

This means that M will be what our function is equal to, aka the y-axis. h will be the x-axis.

We know that you earn a  rate of $50 per night through tax, and your hours worked doesn't influence this in any way. That means there will be a constant on this function, +50.

We also know that you earn 7.50$ per hour, which is directly influenced by how many hours you work, so we will have 7.50h.

Combining this all together, we get

M(h) = 7.50h + 50.

Hope this helped!

6 0
4 years ago
Another i-ready question! Sorry i am clueless and need a 100% Please help!
Delicious77 [7]

Answer:

3rd

Step-by-step explanation:

4 0
3 years ago
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