document.write( "Question 458611: What is the distance between the points (23, -33) and (4, 9)? If necessary, round your answer to two decimal places.\r
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Algebra.Com's Answer #314581 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Note: is the first point . So this means that \"x%5B1%5D=23\" and \"y%5B1%5D=-33\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=4\" and \"y%5B2%5D=9\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29\" Start with the distance formula.\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%2823-4%29%5E2%2B%28-33-9%29%5E2%29\" Plug in \"x%5B1%5D=23\", \"x%5B2%5D=4\", \"y%5B1%5D=-33\", and \"y%5B2%5D=9\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%2819%29%5E2%2B%28-33-9%29%5E2%29\" Subtract \"4\" from \"23\" to get \"19\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%2819%29%5E2%2B%28-42%29%5E2%29\" Subtract \"9\" from \"-33\" to get \"-42\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28361%2B%28-42%29%5E2%29\" Square \"19\" to get \"361\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28361%2B1764%29\" Square \"-42\" to get \"1764\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%282125%29\" Add \"361\" to \"1764\" to get \"2125\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=5%2Asqrt%2885%29\" Simplify the square root.\r
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\n" ); document.write( "\n" ); document.write( "So our answer is \"d=5%2Asqrt%2885%29\" \r
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\n" ); document.write( "\n" ); document.write( "Which approximates to \"d=46.098\" (after using a calculator)\r
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\n" ); document.write( "\n" ); document.write( "So the distance between the two points is approximately 46.098 units.
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