document.write( "Question 530542: A truck is 300 miles due east of a car and is traveling at a constant speed of 30 miles per hour. Meanwhile, the car is going north at a constant speed of 60 miles per hour. Express the distance between the car and truck as a function of time \n" ); document.write( "
Algebra.Com's Answer #350149 by ankor@dixie-net.com(22740)\"\" \"About 
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A truck is 300 miles due east of a car and is traveling at a constant speed of 30 miles per hour.
\n" ); document.write( " Meanwhile, the car is going north at a constant speed of 60 miles per hour.
\n" ); document.write( " Express the distance between the car and truck as a function of time
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\n" ); document.write( "Assuming the truck is traveling east, let t = travel time of both
\n" ); document.write( "The distance between the two will be the hypotenuse of a right triangle
\n" ); document.write( "f(t) = \"sqrt%28%2860t%29%5E2%2B%28300%2B30t%29%5E2%29\"
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