document.write( "Question 1145847: The midpoint of (UV) ̅ is (6, 7). The coordinates of one endpoint are U(3, -5). Find the coordinates of endpoint V. \n" ); document.write( "
Algebra.Com's Answer #767110 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "The midpoint of (\"UV\") ̅ is (\"6\", \"7\").
\n" ); document.write( "(\"x\",\"y\") = (\"6\", \"7\")\r
\n" ); document.write( "\n" ); document.write( "The coordinates of one endpoint are U(\"3\", \"-5\").
\n" ); document.write( "(\"x%5B1%5D\",\"y%5B1%5D\") = (\"3\",\"+-5\")\r
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\n" ); document.write( "\n" ); document.write( " the coordinates of endpoint V are (\"x%5B2%5D\",\"y%5B2%5D\")\r
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\n" ); document.write( "\n" ); document.write( "sketch looks like this:
\n" ); document.write( "\"U\"--------------------------------------------\"M\"--------------------------------------------\"V\"
\n" ); document.write( "or
\n" ); document.write( "(\"x%5B1%5D\",\"y%5B1%5D\") --------------------------------(\"x\",\"y\") ---------------------------------------(\"x%5B2%5D\",\"y%5B2%5D\") \r
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\n" ); document.write( "\n" ); document.write( "we know that\r
\n" ); document.write( "\n" ); document.write( "(\"3\", \"-5\")----------------------------------- (\"6\", \"7\")-----------------------------------(\"x%5B2%5D\",\"y%5B2%5D\")\r
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\n" ); document.write( "\n" ); document.write( "as you know the midpoint of (\"UV\") coordinates are \r
\n" ); document.write( "\n" ); document.write( "(\"6\", \"7\")=(\"x\",\"y\")=(\"x%5B1%5D%2Bx%5B2%5D%29%2F2\",(\"y%5B1%5D%2By%5B2%5D%29%2F2\")\r
\n" ); document.write( "\n" ); document.write( "since \"x=6\", \"x%5B1%5D=3\", \"y=7\", \"y%5B1%5D=-5\", we have:\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5B1%5D%2Bx%5B2%5D%29%2F2=6\" =>\"x%5B1%5D%2Bx%5B2%5D=12\"=>\"x%5B2%5D=12-x%5B1%5D\" =>\"x%5B2%5D=12-3\"=>\"x%5B2%5D=9\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y%5B1%5D%2By%5B2%5D%29%2F2=7\"=>\"y%5B1%5D%2By%5B2%5D=14\" =>\"y%5B2%5D=14-y%5B1%5D\"=>\"y%5B2%5D=14-%28-5%29\"=>\"y%5B2%5D=14%2B5\"=>\"y%5B2%5D=12\"\r
\n" ); document.write( "\n" ); document.write( "so, the coordinates of endpoint \"V\" are (\"x%5B2%5D\",\"y%5B2%5D\")=(\"9\",\"19\")\r
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