document.write( "Question 1204866: I AM A GRANDFATHER TRYING TO HELP MY GRANDSON WITH ALGEBRA 1A. I HAVE SEVERAL PROBLEMS I NEED ASSISTANCE WITH. PLEASE BE PATIENT, I HAVENT DONE THIS IN A WHILE. THE QUESTION IS THIS Y= THE NUMBER OF 2 MM BLOCKS(Y) NEEDED FOR ANY NUMBER OF 4MM BLOCKS(X).
\n" ); document.write( "4MM BLOCKS ARE 0,6,7,X . 2MM BLOCKS ARE 18-2(0), 18-2(6), 18-2(7), AND ?. PLEASE SHOW WHAT TO DO .
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Algebra.Com's Answer #841401 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "the number of \"2mm\" blocks (\"y\") needed for any number of \"4mm\" blocks (\"x\")\r
\n" ); document.write( "\n" ); document.write( "relationship is linear\r
\n" ); document.write( "\n" ); document.write( "\"y=mx%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "use given values for \"x\" and \"y\" to find \"m\" and \"b\"\r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "\"x\"|\"+y\"
\n" ); document.write( "\"0\"|\"18-2%280%29=18\"
\n" ); document.write( "\"6\"|\"18-2%286%29=6\"
\n" ); document.write( "\"7\"|\"18-2%287%29=4\"
\n" ); document.write( "\"x\"|?\r
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\n" ); document.write( "\n" ); document.write( "use two points to find a slope : (\"0\",\"18\") and (\"6\",\"6\")\r
\n" ); document.write( "\n" ); document.write( "\"slope+m=%286-18%29%2F6-0%29=-12%2F6=-2\"\r
\n" ); document.write( "\n" ); document.write( "since we have (\"0\",\"18\"), means \"y\"-intercept is \"b=18\",and your equation is:\r
\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B18\"
\n" ); document.write( "or
\n" ); document.write( "\"y=18-2x\"\r
\n" ); document.write( "\n" ); document.write( "so, when \"x\" value of 4mm blocks is unknown (as you can see from given data, it is \"x\"), then 2mm blocks \"y\" will be \"18-2x\"\r
\n" ); document.write( "\n" ); document.write( "so answer is: 18-2(x)\r
\n" ); document.write( "\n" ); document.write( "4mm blocks are: \"0\",\"6\",\"7\",\"x\"
\n" ); document.write( "2mm blocks are: \"18\", \"6\", \"4\", \"18-2%28x%29\"\r
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