document.write( "Question 445533: A boat heads directly across a river at 8 mi/h. The river flows downstream at 10 mi/h. Find the resulting speed and direction of the boat. \n" ); document.write( "
Algebra.Com's Answer #306894 by jorel1380(3719)\"\" \"About 
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(8)2+(10)2=x2
\n" ); document.write( "64+100=x2
\n" ); document.write( "x2=164
\n" ); document.write( "x=√164=√4√41=2√41mph cross-wise..
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