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A tangent meets with the radius to form a right angle
Thus, we can use Pythagoras' theorem
b^2 = c^2 - a^2
Sub the values in:
b^2 = 5^2 - 3^2
b^2 = 16
Square root for the answer:
b = 4
Thus, the answer is option A.
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It is 15 degrees. A right angle is 90 degrees, so to find one sixth of that, you divide 90 by 6 (which is the same thing as multiplying 90 by one sixth). You get 15.
Answer:
x = -2, 5.
Step-by-step explanation:
|2x - 3| = 7
2x - 3 = 7
2x = 10
x = 5 or:
2x - 3 = -7
2x = -4
x = -2.
Answer:
Step-by-step explanation:
Fixed monthly fee = $20
Amount charged per minute for long distance calls = $0.20
denotes total cost such that 
minutes are used for long distance calls.
Amount charged for minutes for long distance calls 
Therefore, an equation for the total cost, C, when N minutes are used for long distance calls is
