Answer:
By definition, considering a unit circle (circle centered at origin and of radius 1) the length of an arc is equal to the measurement in radians (the SI unit for measuring angles) of the angle that it subtends (to be opposite to). The length of the arc is equal to the radius of the circle.
Solve 3x−5 = 9:
Add 5 to both sides, to isolate 3x on the left side: 3x = 5+9 = 14
Solve this for x: x = 14/3
#1. The answer is B, just put the points on the graphic and you will see.
#2. The answer is A, the equation explained everything.
Your answer is True
It is true that the mean of a set of data can be determined from a box-and-whisker plot.
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