document.write( "Question 1207806: A hot-air balloon, headed due east at an average speed of 15 miles per hour and at a constant altitude of 100 feet, passes over an intersection. Find an expression for the distance d (measured in feet) from the balloon to the intersection t seconds later. \n" ); document.write( "
Algebra.Com's Answer #845928 by ikleyn(52798)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "In this problem, it does not matter, in which direction the balloon is moving.\r
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\n" ); document.write( "\n" ); document.write( "It can move south, north, west, and the solution method along the answer will be the same.\r
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\n" ); document.write( "\n" ); document.write( "The important fact is that the balloon moves horizontally along a straight line
\n" ); document.write( "at constant altitude over the horizontal Earth surface.\r
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\n" ); document.write( "\n" ); document.write( "When a Math problem has excessive words, its always makes an unpleasant impression.\r
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\n" ); document.write( "\n" ); document.write( "It shows clearly that the author is not a professional Math writer and produces his tasks on his knee in the garage.\r
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\n" ); document.write( "\n" ); document.write( "There is nothing bad in producing problems on a knee in a garage,
\n" ); document.write( "but there is no need to demonstrate it to the world.\r
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\n" ); document.write( "\n" ); document.write( "A truly mathematical problem is a piece of art and shines like a temple on a hill.\r
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