document.write( "Question 1054731: Please help
\n" ); document.write( "1. A right angles triangle has sides in the ratio 3:5:7. If the hypotenuse is 84mm, find the length of the other two sides.\r
\n" ); document.write( "\n" ); document.write( "2. A mass is composed of 3 parts of copper and 4 parts of Zinc. Find the mass of copper and Zinc in a casting with a mass of 98kg. \n" ); document.write( "
Algebra.Com's Answer #669965 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
1. A right triangle has sides in the ratio 3:5:7. If the hypotenuse is 84mm, find the length of the other two sides.
\n" ); document.write( "------------------
\n" ); document.write( "7x = 84
\n" ); document.write( "x = 12
\n" ); document.write( "-----
\n" ); document.write( "Sides::
\n" ); document.write( "3x = 36
\n" ); document.write( "5x = 60
\n" ); document.write( "7x = 84
\n" ); document.write( "--------------------------
\n" ); document.write( "2. A mass is composed of 3 parts of copper and 4 parts of Zinc. Find the mass of copper and Zinc in a casting with a mass of 98kg.
\n" ); document.write( "---------------------------
\n" ); document.write( " copper = 3x
\n" ); document.write( " zinc = 4x
\n" ); document.write( "----------------------
\n" ); document.write( "3x + 4x = 98 kg
\n" ); document.write( "7x = 98
\n" ); document.write( "x = 14
\n" ); document.write( "------
\n" ); document.write( "copper = 3x = 3*14 = 42 kg
\n" ); document.write( "zinc = 4x = 4*14 = 56 kg
\n" ); document.write( "------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "-------------- \n" ); document.write( "
\n" );