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SVEN [57.7K]
3 years ago
5

A hotel has 480 rooms. Of these rooms, 4/5 are non-smoking. How many rooms are ... a. nonsmoking? b. smoking?

Mathematics
1 answer:
Anestetic [448]3 years ago
7 0
Answer: 384
There are 384 smoke free rooms.
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There are 7 women and 9 men if 2 are promoted what is the probability they are both men
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Answer:

3/10

Step-by-step explanation:

Total number of employees = 7 + 9 = 16

Probability of a man being chosen first to be promoted = 9/16

Probability of the second choice is still a man for promotion = 8/15

Why 8/15?

The number of men left who are eligible for promotion after the 1st man was chosen for promotion is 9 - 1 = 8

The total number of people left after the 1st person is chosen for promotion that are eligible for promotion is 16 - 1 = 15

Hence Probability of choosing 2 men for promotion = 9/16 x 8/15 = 3/10

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4 years ago
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Answer:

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Answer:

83.5 degrees

Step-by-step explanation:

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Then, substitute that value for c:

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Consider the average daily winter temperature and your heating bill- is there likely to be a correlation? If so does the correla
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The answer to this is that t<span>here is a negative correlation and a causal correlation. The higher the average daily winter temperature the lower your heating bill.</span>
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When can you use mathematics in real life situations
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Step-by-step explanation:

Equations are commonly used in scienctific discoveries to calculate power, work, distance, and time. It is also common to use the circumference and area equations to help with construction and design. Overall, math is a very important part of our lives, and it is also important to learn about it.

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