Answer:
Step-by-step explanation:
Using the rule of exponents
= 
, hence
f(- 2) = 
= 
=
Answer:
B:0.2(48)
Step-by-step explanation:
Of means multiply
20% of 48
Changing to decimal form
.20 * 48
Answer:
B
Step-by-step explanation:
x=√7
squaring
x²=7
Considering that the data is only noted and not changed, this is an example of an observational study.
<h3>What are observational and experimental studies?</h3>
- Experimental study: In an experimental study, there is an intervention in a sample, and it's effect is studied.
- Observational study: In an observational study, the sample is just analyzed, without any intervention.
In this problem, the data, which is the number of miles traveled, is only analyzed, no interventions are made, hence this is an example of an observational study.
More can be learned about observational studies at brainly.com/question/24321224
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Answer:
Please see analysis
Step-by-step explanation:
{the constant of proportionality of 4}
The circumference of a square is in relation to the length of its sides
{C=4l}
<em>I hope this helps you</em>
<em>:)</em>
