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vaieri [72.5K]
3 years ago
10

In a certain corporation, there are 300 male employees and 100 female employees. It is known that 20% of the male employees have

advanced degrees and 40% of the females have advanced degrees. If one of the 400 employees is chosen at random, what is the probability this employee has an advanced degree or is female?A. 1/20B. 1/10C. 1/5D. 2/5E. 3/4
Mathematics
1 answer:
omeli [17]3 years ago
8 0

Answer:

A. 1/2

Step-by-step explanation:

P(AD or F)  = probability of a person having an advanced degree + probability

                     of a person being female

                   = (20% of 300 + 40% of 100)/400 + 100/400

                   = (60+40)/400  + 100/400

                   =  1/2

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Paul high earns $5.00 an hour working part-time at an auto parts store he work 16 hours per week. What is his gross pay each wee
Nataly [62]

Answer:

$80

Step-by-step explanation:

$5 per hour, then for 16houurs. 5*16=80

6 0
3 years ago
Each side of the base of a right square pyramid is multiplied by 12, but the height is not changed. By what factor is the volume
drek231 [11]

Answer:

the formula for a square pyramid is a^{2}\frac{h}{3} so I THINK its B please do not base ur answer from my opinion

Step-by-step explanation:

5 0
3 years ago
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After every eighth visit to a restaurant you receive a free beverage. After every tenth visit you receive a free appetizer. If y
Kaylis [27]

Answer:

40th and 80th visit

the first visit where you receive both is the 40th

Step-by-step explanation:

personally, I believe that the simplest way to solve this is use an excel spreadsheet to see which visits would include both a free beverage and a free appetizer:

  • both rewards would happen only twice, at the 40th and 80th visit.

you can also calculate it mathematically since multiples of 8 and 10 do not repeat themselves very much, only when 8 is multiplied by 5 and 10.

4 0
3 years ago
Read 2 more answers
Don't go by my answers pls
Illusion [34]

Answer:

19)  ( \frac{-2}{5})^2 = \frac{4}{25}

20) -9^{2} = -81

21)  2^{4} = 16

Step-by-step explanation:

The only wrong ones are

19)  ( \frac{-2}{5})^2 = \frac{4}{25}

20) -9^{2} = -81 ... negative is not inside a parenthesis that's why it is still negative

21) you can add another way is 2^{4} = 16

Everything else looks good.  Great job!

4 0
2 years ago
A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. Which e
kirill115 [55]

We can use the arc length formula to solve this.

Arc length = \frac{q}{360}*2\pi r

Given arc length is 7 and radius is 5, we can plug in the values and solve for q.

7=\frac{q}{360}*2\pi (5)\\7=\frac{q}{360}*10\pi \\7=\frac{10\pi q}{360}\\7=\frac{\pi q}{36}\\7*36=\pi q\\252=\pi q\\q=\frac{252}{\pi}\\q=80.21


ANSWER:

We can use the equation 7=\frac{q}{360}*2\pi (5) to find the value of q. And, the value of q is 80.21°.


3 0
3 years ago
Read 2 more answers
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