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 September 23rd, 2017, 09:23 AM #1 Senior Member   Joined: Jan 2017 From: US Posts: 113 Thanks: 6 Solve for the Variables of the Coordinates The point (15, 4) is the midpoint of C and D. Given that the coordinates of C are (9, s) and the coordinates of D are (t, 4), solve for the values of the variables s and t. Show your work to prove your answer. Any help with this question will be greatly appreciated. Thank you!
September 23rd, 2017, 09:32 AM   #2
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Quote:
 The point (15, 4) is the midpoint of C and D. Given that the coordinates of C are (9, s) and the coordinates of D are (t, 4), solve for the values of the variables s and t. Show your work to prove your answer.
$\dfrac{9+t}{2} = 15$

$\dfrac{s+4}{2} = 4$

midpoint

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