Answer:
WHAT DOES BRAINLEST MEAN CAN SOMEONE TELL ME???
Step-by-step explanation:
The variable being tested in an experiment is the (b) response variable
<h3>How to determine the variable name?</h3>
The statement is given as:
<em>what is the variable being tested in an experiment?</em>
As a general rule, the variable being tested in an experiment is referred to as the dependent variable
The dependent variable is represented with y and it is also known as the response variable
Hence, the variable being tested in an experiment is the (b) response variable
Read more about response variable at
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It is a, if you plug it in, it works. 10=3*3+1 is true.
First off sorry it took me so long to respond, had some emergency. Ok now lets get on to the question.
The first box is <3.
The second box is definition of angle bisector.
The third box is <1 .
The fourth box is transitive property of congruence.
(cos Ф -cos Ф)² + (cos Ф + cos Ф)²
Firstly: (cos Ф -cos Ф)² = 0² = 0
Secondly :(cos Ф + cos Ф)² = (2cos Ф)². = 4. (cos Ф)² = 4cos² Ф
Mind you when you raise a cosine (or sin or tan...) to the n power, the n power should affect the cosine only and NOT the angle Ф