document.write( "Question 202020: Hello! Could you give e chanse to have the solution of this problem?
\n" ); document.write( "The different of two naural number is 9 and he different of their reciprocal is 9/190. Find the numbers.
\n" ); document.write( "This was my way which doesn't go on:
\n" ); document.write( "\"x%2B9=y\"
\n" ); document.write( "\"x%2B9%2F190=1%2Fy\"
\n" ); document.write( "\"x%2B9%2F190=1%2F%28x%2B9%29\"
\n" ); document.write( "\"%28190x%2B9%29%28x%2B9%29=190\"
\n" ); document.write( "\"190x%5E2%2B1719x-109=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1719%2B-+sqrt%28+1719%5E2+%2B4%2A190%2A%28-109%29+%29%29%2F%282%2A190%29\"
\n" ); document.write( "or \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1719%2B-+sqrt%28+3037801+%29+%29%2F%282%2A190%29+\"\r
\n" ); document.write( "\n" ); document.write( "Since sqrt( 3037801 ) is not an integer number (it is a so called irrational number, not reducible to fractions like m/n), further reduction of this expression will not give you an integer result.
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Algebra.Com's Answer #152278 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"The difference of two natural numbers is 9\" translates to \"x-y=9\"\r
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\n" ); document.write( "\n" ); document.write( "\"the difference of their reciprocals is 9/190\" means that \"1%2Fy-1%2Fx=9%2F190\"\r
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\n" ); document.write( "\n" ); document.write( "Note: if \"x%3Ey\", then \"1%2Fx%3C1%2Fy\"\r
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\n" ); document.write( "\n" ); document.write( "\"x-y=9\" Start with the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x=9%2By\" Add \"y\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fy-1%2Fx=9%2F190\" Move onto the second equation\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fy-1%2F%289%2By%29=9%2F190\" Plug in \"x=9%2By\"\r
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\n" ); document.write( "\n" ); document.write( " Multiply EVERY term by the LCD \"190y%289%2By%29\" to clear out the fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"190%289%2By%29-190y=9y%289%2By%29\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "\"1710%2B190y-190y=81y%2B9y%5E2\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"1710%2B190y-190y-81y-9y%5E2=0\" Get all terms to the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"-9y%5E2-81y%2B1710=0\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"-9y%5E2-81y%2B1710\" is in the form of \"Ay%5E2%2BBy%2BC\" where \"A=-9\", \"B=-81\", and \"C=1710\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for \"y\":\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%28-B+%2B-+sqrt%28+B%5E2-4AC+%29%29%2F%282A%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%28-%28-81%29+%2B-+sqrt%28+%28-81%29%5E2-4%28-9%29%281710%29+%29%29%2F%282%28-9%29%29\" Plug in \"A=-9\", \"B=-81\", and \"C=1710\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+sqrt%28+%28-81%29%5E2-4%28-9%29%281710%29+%29%29%2F%282%28-9%29%29\" Negate \"-81\" to get \"81\". \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+sqrt%28+6561-4%28-9%29%281710%29+%29%29%2F%282%28-9%29%29\" Square \"-81\" to get \"6561\". \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+sqrt%28+6561--61560+%29%29%2F%282%28-9%29%29\" Multiply \"4%28-9%29%281710%29\" to get \"-61560\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+sqrt%28+6561%2B61560+%29%29%2F%282%28-9%29%29\" Rewrite \"sqrt%286561--61560%29\" as \"sqrt%286561%2B61560%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+sqrt%28+68121+%29%29%2F%282%28-9%29%29\" Add \"6561\" to \"61560\" to get \"68121\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+sqrt%28+68121+%29%29%2F%28-18%29\" Multiply \"2\" and \"-9\" to get \"-18\". \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B-+261%29%2F%28-18%29\" Take the square root of \"68121\" to get \"261\". \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2881+%2B+261%29%2F%28-18%29\" or \"y+=+%2881+-+261%29%2F%28-18%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%28342%29%2F%28-18%29\" or \"y+=++%28-180%29%2F%28-18%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+-19\" or \"y+=+10\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the possible solutions for \"y\" are \"y+=+-19\" or \"y+=+10\" \r
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\n" ); document.write( "\n" ); document.write( "However, the problem stated that the numbers are natural. So we have to throw out \"y+=+-19\"\r
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\n" ); document.write( "\n" ); document.write( "So the only answer for \"y\" is \"y=10\". This means that \"x\" is \"x=9%2By=9%2B10=19\"\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=19\" and \"y=10\"\r
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\n" ); document.write( "\n" ); document.write( "So the two numbers are 19 and 10\r
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\n" ); document.write( "\n" ); document.write( "Take note that \"19-10=9\" and \"1%2F10-1%2F19=19%2F190-10%2F190=%2819-10%29%2F190=9%2F190\"
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