If x and y vary directly, and x = 12 when y = 4, what is the value of x when y = 1 ?
2 answers:
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so, x =
and y =
Hence, the answer is the first one.
The equation of a cricle is
h being the x coordinate of the given point and k being the y coordinate of the given point (r also being the radius).
Now we have to plug the points into the equation
now just simplify the the equation
h being the x coordinate of the given point and k being the y coordinate of the given point (r also being the radius).
Now we have to plug the points into the equation
now just simplify the the equation