document.write( "Question 705302: A model airplane flies a circular course at the speed of 175/sec. If it completes one circuit in 3 seconds, what the radius?\r
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Algebra.Com's Answer #434513 by josgarithmetic(39618)\"\" \"About 
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How far in 3 seconds? That is the circumference. 2*pi*r=Circumference. Find r. You already know circumference. Circumf=(175/sec.)*3*60*sec. \n" ); document.write( "
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