document.write( "Question 472909: A plate, a dish and a cup are on a table. The plate is square with a side 30 cm long. The dish is 20 cm in diameter, and the cup has a 15 cm diameter. What is the probability of tossing a grape into the cup and not onto the plate or the dish?
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document.write( "i am doing something wrong because i dont come up with one of the choices. \n" );
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Algebra.Com's Answer #324246 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A plate, a dish and a cup are on a table. The plate is square with a side 30 cm long. The dish is 20 cm in diameter, and the cup has a 15 cm diameter. What is the probability of tossing a grape into the cup and not onto the plate or the dish? \n" ); document.write( "-------- \n" ); document.write( "Area of the square: 30^2 = 900 cm^2 \n" ); document.write( "Area of the dish: pi*10^2 = 100pi cm^2 \n" ); document.write( "Area of the cup: pi*7.5^2 = 56.25pi cm^2 \n" ); document.write( "---------------------------------------- \n" ); document.write( "P(cup) = 56.25pi/{900 + 100pi) = 176.7146/(1214.16) = 0.146.. \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================== \n" ); document.write( "13.4 14.6 15.6 12.7 \n" ); document.write( " \n" ); document.write( " |