Answer:
Is an experimental study
Step-by-step explanation:
In an observational study you don't control any aspect of the investigation you just observe the variables that you determined since the beginning without any intervention.
In this case you are controlling who sees one or the other video, then you are controlling one of the variables that is the type of video each group sees and because of this it is an experimental study. Researchers designed an experiment to prove the null hypothesis they had.
Answer:
Step-by-step explanation:
Factor the numerator and cancel common factors from numerator and denominator.
11.4 - 15.7 = -4.3. The temperature at midnight is -4.3<span>°F.
Hope this helps! Have a great day :)</span>
I am writing answers directly.
<h3>1. 5×5=
</h3><h3>2. -5×-5×-5×-5 =
</h3><h3 /><h3>3. 2×2×2=
</h3><h3>4. n×n×n×n×n×n=
</h3>
For this case we have that by definition, the standard form of the equation of the line is given by:
We have the following equation:
We manipulate the equation algebraically:
Finally, the equation is:
Answer:
