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OpenStudy (anonymous):
If MN is the diameter of a circle with M(-3, -4) and N(-7, -14), find the center of the circle.
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OpenStudy (dumbcow):
center is the midpoint of diameter
OpenStudy (dumbcow):
midpoint (x,y) x is average of the x_coordinates of M and N y is average of the y_coordinates of M and N
OpenStudy (anonymous):
How do i do it?
OpenStudy (dumbcow):
do you know how to find the average of 2 numbers
OpenStudy (anonymous):
add then divide by 2?
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OpenStudy (dumbcow):
yep
OpenStudy (dumbcow):
what are the x_coordinates of M and N
OpenStudy (anonymous):
-3 and -7
OpenStudy (dumbcow):
yes whats the average of those 2 numbers
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