100 x 37= 3700
-Agarvated
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Answer:
The value of the mean reflects both the number and the value of cases. is false
Step-by-step explanation:
Is just a set of two or more linear equations. In two variables (x and y) , the graph of a system of two equations is a pair of lines in the plane.
Answer:
proof given below
Step-by-step explanation:
Combine the fractions by making the denominators the same:





Use the trigonometric identity
:


Factor out 2 from the numerator:

Cancel the common factor:



Hence proved.
Learn more about trigonometric identities here:
brainly.com/question/27938536