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Harman [31]
3 years ago
6

Select the best answer for the question . 7. At a public swimming pool , the probability that an employee is a lifeguard is P(L)

= 0.85 , and the probability that an employee is a teenager is P(T) = 0.58 . What's the probability that an employee is a lifeguard , given that the employee is a teenager ? O A. There isn't enough information given. O B. 1.47 OC. 0.68 O D.0.49​
Mathematics
1 answer:
Paul [167]3 years ago
6 0

Answer:

D)  0.49

Step-by-step explanation:

0.85 * 0.58 = 0.49

The probability is:

D  0.49

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The airport shuttle bus needs to take 65 people from the terminal to the parking garage. The shuttle bus can take 24 passengers
solmaris [256]

Answer:17 passengers

Step-by-step explanation:

65 total

- 24 for the first trip =41

41-24 for the second trip= 17

So there will be 17 passengers on the last trip

5 0
4 years ago
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Find the missing side x:
damaskus [11]

Answer:

Probably 5

Step-by-step explanation:

This is an extremely confusing question.  Whoever wrote it most likely had a typo.

The little box in the corner of the triangle means that is 90 degrees. if that is the case, this is a simple question:

Apply pythagorean theorem (a^2 + b^2 = c^2)

In this case:

3^2 + 4^2 = x^2

x^2 = 25

x=5.

HOWEVER: the two given angles are 60 degrees and 50 degrees.

Which does not work. It creates an impossible triangle.

7 0
3 years ago
PLZ SHOW WORK ALSO BRAINLIEST
Brums [2.3K]

Answer:

x=5, y=-4

Step-by-step explanation:

:)

3 0
3 years ago
) The diameter of a circle is increasing at a rate of 5 cm/sec. How fast is the area changing with time when the diameter is 20
borishaifa [10]

Answer:

50π cm²/s

Step-by-step explanation:

Area of the circle A = πd²/4

Rate at which the area is changing with time is expressed as;

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dd/dt is the rate at which the diameter is changing with time

dd/dt = 5cm/sec

dA/dd = 2πd/4

dA/dd = πd/2

Given that d = 20cm

dA/dt = dA/dd*dd/dt

dA/dt = πd/2*5

dA/dt = 20π/2 *5

dA/dd = 10π * 5

dA/dd = 50π cm²/s

Hence the area is changing at the rate of  50π cm²/s

7 0
3 years ago
f(x) = x^2 − 5x/( x^2 − x − 20 ), x = 5.5, 5.1, 5.05, 5.01, 5.005, 5.001, 4.9, 4.95, 4.99, 4.995, 4.999
vivado [14]
<span>the answer is 0.1   (have  to type in stuff because of the 20 char limit)</span>
4 0
4 years ago
Read 2 more answers
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