document.write( "Question 849726: Find the distance between the two parallel lines given by the equation: 5x-4y=22 and -75x=150-60y\r
\n" ); document.write( "\n" ); document.write( "the instructions given by the teacher were:
\n" ); document.write( "1. put both equations in y=mx+b form
\n" ); document.write( "2. find a point (x,y) on either equation
\n" ); document.write( "3. find equation of the perpendicular line that passes through (x,y)
\n" ); document.write( "4. use systematic equation to solve with equation 3 (the new one) and the one that wasn't used to get the point in step 2
\n" ); document.write( "5. calculate with distance formula\r
\n" ); document.write( "\n" ); document.write( "I don't know how to continue after solving both equations for y=mx+b
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Algebra.Com's Answer #511742 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
5x-4y=22 and -75x=150-60y\r
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\n" ); document.write( "\n" ); document.write( "1. put both equations in y=mx+b form
\n" ); document.write( "2. find a point (x,y) on either equation
\n" ); document.write( "3. find equation of the perpendicular line that passes through (x,y)
\n" ); document.write( "4. use systematic equation to solve with equation 3 (the new one) and the one that wasn't used to get the point in step 2
\n" ); document.write( "5. calculate with distance formula\r
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\n" ); document.write( "\n" ); document.write( "(The statement of your number 4 is not in the best wording).\r
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\n" ); document.write( "\n" ); document.write( "BOTH EQUATIONS INTO SLOPE-INTERCEPT FORM
\n" ); document.write( "\"y=%285%2F4%29x-22%2F4\"
\n" ); document.write( "\"y=%285%2F4%29x-11%2F2\"----first equation
\n" ); document.write( "-
\n" ); document.write( "\"-25x=50-20y\"
\n" ); document.write( "\"-5x=10-4y\"
\n" ); document.write( "\"-5x-10=-4y\"
\n" ); document.write( "\"y=%285%2F4%29x%2B10%2F4\"
\n" ); document.write( "\"y=%285%2F4%29x%2B5%2F2\"----second equation\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "PICK ANY POINT ON ONE EQUATION
\n" ); document.write( "y=(5/4)x+5/2
\n" ); document.write( "Let x=2.
\n" ); document.write( "y=(5/4)*2+5/2
\n" ); document.write( "y=5/2+5/2
\n" ); document.write( "y=5.
\n" ); document.write( "Point picked is (2, 5).\r
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\n" ); document.write( "\n" ); document.write( "LINE PERPENDICULAR CONTAINING (2, 5):
\n" ); document.write( "Arbitrary choice to use point-slope formula.
\n" ); document.write( "Want slope \"-4%2F5\".
\n" ); document.write( "\"y-5=-%284%2F5%29%28x-2%29\"
\n" ); document.write( "\"y-5=-%284%2F5%29x%2B8%2F5\"
\n" ); document.write( "\"y=-%284%2F5%29x%2B5%2B8%2F5\"
\n" ); document.write( "\"y=-%284%2F5%29x%2B33%2F5\"----Perpendicular to both of the given equations\r
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\n" ); document.write( "\n" ); document.write( "INTERSECTION OF \"y=%285%2F4%29x-11%2F2\" and \"y=-%284%2F5%29x%2B33%2F5\" :
\n" ); document.write( "Obvious formulas for y are expected equal if the two equations intersect.
\n" ); document.write( "\"%285%2F4%29x-11%2F2=-%284%2F5%29x%2B33%2F5\"
\n" ); document.write( "Multiply members by 20 which is LCD.
\n" ); document.write( "\"25x-110=-16x%2B33%2A4\"
\n" ); document.write( "\"25x-110=-16x%2B132\"
\n" ); document.write( "(25+16)x=110+132=242
\n" ); document.write( "\"41x=242\"
\n" ); document.write( "\"x=242%2F41\"
\n" ); document.write( "-
\n" ); document.write( "Find y.
\n" ); document.write( "\"y=%285%2F4%29%28242%2F41%29-11%2F2\"
\n" ); document.write( "\"y=%285%2A242%29%2F%284%2A41%29-%2811%2F2%29\"
\n" ); document.write( "\"y=%285%2A242%29%2F%284%2A41%29-%2811%2F2%29%28%282%2A41%29%2F%282%2A41%29%29\"
\n" ); document.write( "\"y=%285%2A242-11%2A2%2A41%29%2F%284%2A41%29\"
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\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "POINT on first equation is ( 242/41, 483/41 ).\r
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\n" ); document.write( "\n" ); document.write( "FINDING DISTANCE BETWEEN THE TWO FOUND POINTS
\n" ); document.write( "Step 5 on your list.
\n" ); document.write( "You want to use the distance formula to determine or find what is the distance between ( 242/41, 483/41 ) and (2, 5).
\n" ); document.write( "Very possibly, if you would try to make a graph of the two given lines, you MIGHT find more convenient set of points to use, such as to pick a point on either line and possibly have a more convenient point on the other line, intersecting also a more convenient perpendicular to both.
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\n" ); document.write( "Distance is \"highlight%28sqrt%28%28242%2F41-2%29%5E2%2B%28483%2F41-5%29%5E2%29%29\"
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