document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1204663>Question 1204663</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two ships left a port at the same time. One ship traveled at a speed of 11 miles per hour at a heading of 320°. The other ship traveled at a speed of 23 miles per hour at a heading of 195°. Find the distance between the two ships after 10 hours of travel. (Round your answer to the nearest mile.) </SPAN>\n" );
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document.write( "From the diagram, we will use the cosine formula to find the distance between the two ships at 10 hours, i.e., BC.<BR>\n" );
document.write( "So, c^2=a^2+b^2-2abcosc<BR>\n" );
document.write( "c^2 = 110^2+230^2-2(110)(230)cos125<BR>\n" );
document.write( "= 12100+52900+29022.9676=94022.9676.<BR>\n" );
document.write( "as c^2 = 94022.9676<BR>\n" );
document.write( "c = sqrt(94022.9676) = 306.631 miles, or mi. </SPAN>\n" );
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