document.write( "Question 348622: The point (10, 10) is the midpoint of C and D. If the coordinates of C are (15, s) and the coordinates of D are (t, 3), then what are the values of the variables s and t?
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Algebra.Com's Answer #249219 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use the midpoint formula.
\n" ); document.write( " $\"x%5Bm%5D=%28x%5BC%5D%2Bx%5BD%5D%29%2F2\"$
\n" ); document.write( " $\"%2815%2Bt%29%2F2=10\"$
\n" ); document.write( " $\"15%2Bt=20\"$
\n" ); document.write( "Solve for $\"t\"$ .
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\n" ); document.write( " $\"y%5Bm%5D=%28y%5BC%5D%2By%5BD%5D%29%2F2\"$
\n" ); document.write( " $\"%28s%2B3%29%2F2=10\"$
\n" ); document.write( " $\"s%2B3=20\"$
\n" ); document.write( "Solve for $\"s\"$ .
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