A system of equations is shown.
1 answer:
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The general equation of a line is y = mx + b
m is given as 1/2, so we have:
Plugging in the given values of x and y, we get:
-2 = 0 + b
Therefore b = -2, and the answer is:
m is given as 1/2, so we have:
Plugging in the given values of x and y, we get:
-2 = 0 + b
Therefore b = -2, and the answer is:
Given:
A diagram of a circle O, .
To find:
The measure of arc DC.
Solution:
According to the angle of intersecting chords theorem:
Angle at intersection of chords = Half of the sum of intercepted arcs.
Let be the angle between the intersection of chords AC and BD.
(Linear pair)
Using the angle of intersecting chords theorem, we get
On simplification, we get
Divide both sides by 2.
Now,
Therefore, the correct option is C.