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The coordinates of the endpoints of CD ___ , in the standard (x,y) coordinate plane, are (−4,−2) and (14,2). What is the x-coordinate of the midpoint of CD ___ ?
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The coordinates of the endpoints of CD ___ , in the standard (x,y) coordinate plane, are (−4,−2) and (14,2). What is the x-coordinate of the midpoint of CD ___ ?
asked
Jul 21, 2016
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The coordinates of the endpoints of CD
___
, in the
standard (x,y) coordinate plane, are (−4,−2) and (14,2).
What is the x-coordinate of the midpoint of CD
___
?
Mathematics
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Chandrasekhar
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Chandrasekhar
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Use the first part of the midpoint formula:
(x1 + x2)/2
Plug in what we know:
(-4 + 14)/2
10/2
5
So the x-value is
5
.
Daniel Brink
answered
Jul 27, 2016
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Daniel Brink
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