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2 years ago

Determine whether the situation calls for a survey, an observational study, or an experiment.

Mathematics

1 answer:

IrinaVladis [17]2 years ago

6 0

Answer:

This situation calls for a survey.

Step-by-step explanation:

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Which questions result in data that is categorical? Check all that apply.

Rasek [7]

Answer:

1,2,3,5

Step-by-step explanation:

1-Is your job as an IT administrator stressful?

2-What is your biggest source of stress?

3-How has your job impacted your personal life?

5-Have you ever considered switching careers because of on-the-job stress?

8 0

2 years ago

What integer represents the following situation? ________________. A scuba diver is 43 feet under the ocean conducting research

Softa [21]

an Integer is a while positive or negative number. so your integer would be 43

8 0

2 years ago

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Shkiper50 [21]

Answer:

infinite

Step-by-step explanation:

Let the linear equation in two variables be ax+by+c=0

Put values

$\\ \sf\longmapsto 1a+3b+c=0$

$\\ \sf\longmapsto a+3b+c$

Hence for any values it has infinite number of solutions .

including x=1 and y=3

6 0

2 years ago

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What is the d/dx tan^3x

Bad White [126]

$\frac{d}{dx}(tan^{3}x) = \frac{d}{dx}(tanx)^{3}$
$= 3(tanx)^{2} \cdot sec^{2}x$

$\therefore \frac{d}{dx}(tan^{3}x) = 3tan^{2}x \cdot sec^{2}x$

6 0

2 years ago

Two welders worked a total of 46 h on a project. One welder made $34/h, while the other made $39/h. If the gross earnings of the

Ratling [72]

Answer:

25 and 21 hours respectively

Step-by-step explanation:

Let the number of hours worked by each welder be x and y respectively.

They worked a total of 46 hours. This means :

x + y = 46 hours.......(I)

Now, given their hourly charges, since we have the total amount of money realized, we can make an equation out of it. This means:

34x + 39y = 1669........(ii)

We then solve both simultaneously. From I, x = 46 -y

We can substitute this into ii

34(46 -y) + 39y = 1669

1564 -34y + 39y = 1669

5y = 1669 - 1564

5y = 105

y = 105/5 = 21

x = 46 - y

x = 46 - 21 = 25 hours

The numbers of hours worked by the welders are 25 and 21 respectively

4 0

2 years ago