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Viefleur [7K]
3 years ago
11

Determine the domain and range of the given function

Mathematics
1 answer:
Neporo4naja [7]3 years ago
3 0

Answer:

List all of the solutions.

T

y

=

4

=

2

=

x

=

−

2

=

2

=

4

=

4

=

Step-by-step explanation:

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Melissa bought 40 books. Melissa bought 8 times as many books as Brian. Let b be the number of books that Brian bought
Kay [80]

Answer:

a) 40 = 8b

b) b = 5

Step-by-step explanation:

(b) 40 = 8 × b

40 ÷ 8 = b

5 = b

4 0
2 years ago
Of the students in Rosalie's dance class, 29 out of 59 have participated in dance class before. About how many of her students h
Harrizon [31]

Answer:

B

Step-by-step explanation:

half of 59 is 29.5, which is very close to 29. this indicates that this fraction (29/59) is the closest to one half, which is answer choice B.

5 0
2 years ago
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If the tax rate is 6.5%, what is the tax on $80?
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Multiply 80✖️.065 and you'll get 8.80 Then add it to the total which is 80 +8.80 Which the answer is 88.80
6 0
3 years ago
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the managers of a corporation were surveyed to determine the background that leads to a successful manager. each manager was rat
lubasha [3.4K]

The probability that the selected manager has no college background and only have a fair look is 0.05625

Table is missing. Attached below.

Given,

We have to find the probability that the selected manager has no college background and only have a fair look;

From the table;

The total number of managers surveyed = 160

Number of managers surveyed are fair = 9

Probability;-

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

Here,

The probability = Number of managers surveyed are fair / The total number of managers surveyed

The probability = 9/160 = 0.05625

That is,

The probability that the selected manager has no college background and only have a fair look is 0.05625

Learn more about probability here;

brainly.com/question/11234923

#SPJ4

8 0
1 year ago
in a significance test of one population mean if vairance of population is unknown but the sample size is 30 or more we use z te
Talja [164]

The student T distribution would be used since we don't know the population variance (by extension the population standard deviation).

However, if n > 30, then the student T distribution is going to look very similar to the standard normal Z distribution. It won't be a perfect match, but it'll be close enough that it's more simple to use the Z distribution. With the Z distribution, you only have one set of values and you don't have to worry about the degrees of freedom.

4 0
1 year ago
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