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9966 [12]
3 years ago
8

The next question(s) are based on this scenario: A researcher randomly assigned boys and girls to each of two groups. One group

watched a violent television program while the other group watched a nonviolent program. The children were then observed during a period of free play, and the incidence of aggressive behavior was recorded for each group. What is the independent variable in this study
Mathematics
1 answer:
Maksim231197 [3]3 years ago
3 0

Answer:

The type of television program viewed

Step-by-step explanation:

The Independent variable may be explained as those variables which determines the outcome or output of an experiment or analysis. The output is the dependent variable. Hence, the independent variable determines the predicted variable.

In the scenario described above, the type of television program viewed, either violent or nonviolent is the independent or predictor variable. This determines the level or incidence of aggressive behavior exhibited by the subject, this incidence of aggressive behavior is the dependent or predicted variable.

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Is this statement true or false 5/12 = 2/6
AveGali [126]

Answer:

False

Step-by-step explanation:

6*2= 12

So to get common denominators, you would need to divide 5/12 by 2 OF multiply 2/6 by 2

For the sake of ease just multiply 2/6 by 2, this will equal 4/12 NOT 5/12

Hope this helps! :)

6 0
3 years ago
Find the distance traveled by a particle with position (x, y as t varies in the given time interval. x = 3?sin2 t, y = 3?cos2 t,
ANTONII [103]
Assuming the particle's position is given by

\begin{cases}x(t)=3-\sin2t\\y(t)=3-\cos2t\\0\le t\le4\end{cases}

then the distance traveled over the interval is

\displaystyle\int_{t=0}^{t=4}\sqrt{\left(\dfrac{\mathrm dx(t)}{\mathrm dt}\right)^2+\left(\dfrac{\mathrm dy(t)}{\mathrm dt}\right)^2}\,\mathrm dt
=\displaystyle\int_0^4\sqrt{(-2\cos2t)^2+(2\sin2t)^2}\,\mathrm dt
=\displaystyle\int_0^4\sqrt{4\cos^22t+4\sin^22t}\,\mathrm dt
=\displaystyle2\int_0^4\mathrm dt
=2(4-0)=8
5 0
3 years ago
The center of your park has a pool. The pool is the shape of a rectangular prism. The volume of the pool is 189 cubic feet. If t
alukav5142 [94]

Answer:

3 yards

Step-by-step explanation:

First, let's convert yards into feet. 189 feet is 63 yards.

Volume=L•W•H           L=length W=width H=height

To do this we have to divide the volume by the product of the length and width and it will calculate the height.

Solving for the width:

63÷(7•3)=3 yards <-the depth of the pool

6 0
3 years ago
8. Between 1980 and 1990, the population of Naples, Florida increased by
attashe74 [19]

Answer:

<h2>y = 6,000x + 80,000</h2>

Step-by-step explanation:

Givens

  • The population increased 6000 people per year. (This is the constant ratio of change, because it offers information about the relation between variables).
  • In 1980, the population was 80,000. (This is the initial condition, the population at the beginning of the period, that's why is the y-intercept of the function).

We know that the linear form has an explicit form

y=mx+b

Where m is the constant ratio of change and b is the y-intercept. Replacing given values, we have

y=6,000x + 80,000

Therefore, the right answer is B.

3 0
3 years ago
Read 2 more answers
Multiply: (- 12 / 25) (-10 / 16)<br><br> -3/10<br> 3/10<br> -5/6<br> 5/6
spayn [35]

3/10.................

7 0
3 years ago
Read 2 more answers
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