The original price of an xbox was $500. Now it is on sale for $330. What percentage of the original price was the markdown?
1 answer:
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The correct answer is: (x + 2)^2 + (y - 1)^2 = 25
Step-by-step explanation:
Given
Point on circle = P = (-5,-3)
Centre = C = (-2,1)
The distance between C and P is the radius of circle.
So,
Hence,
r = 5 units
The general form of equation of circle is:
Here (h,k) are the coordinates of circle
(h,k) = (-2,1)
Putting the values in standard equation
Hence,
The correct answer is: (x + 2)^2 + (y - 1)^2 = 25
Keywords: Circle, equation of circle
Learn more about equation of circle at:
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Answer:
Probability that a car need to be repaired once = 20% = 0.20
Probability that a car need to be repaired twice = 8% = 0.08
Probability that a car need to be repaired three or more = 2% = 0.02
a) If you own two cars what is the probability that neither will need repair?
Probability that a car need to be repaired once , twice and thrice or more= 0.20+0.08+0.02=0.3
Probability that car need no repair = 1-0.3=0.7
Neither car will need repair=
b) both will need repair?
Probability both will need repair =
c)at least one car will need repair
Neither car will need repair=
Probability that at least one car will need repair= 1-0.49 = 0.51