document.write( "Question 159140: The diameter of a well is 6 feet and the water is 7 feet deep.How many gallons of water are there in the well,reckoning 7.48 gallons to a cubic foot? \n" ); document.write( "
Algebra.Com's Answer #117264 by gonzo(654)![]() ![]() ![]() You can put this solution on YOUR website! if the diameter of the well is 6 feet, then it's radius is 3 feet. \n" ); document.write( "R = 3 feet \n" ); document.write( "----------------------------- \n" ); document.write( "water is 7 feet deep \n" ); document.write( "------------------------------ \n" ); document.write( "volume of water in the well is pi*R^2*h. \n" ); document.write( "this becomes pi*9*7 \n" ); document.write( "pi = 3.141592654 \n" ); document.write( "volume of water in the well becomes 197.9203372 cubic feet \n" ); document.write( "-------------------------------- \n" ); document.write( "there are 7.48 gallons of water to a cubic foot. \n" ); document.write( "number of gallons in the well = 197.9203372 / 7.48 = 26.45993813 gallons \n" ); document.write( "-------------------------------- \n" ); document.write( "answer to the nearest 100th of a gallon is 26.46 gallons. \n" ); document.write( " \n" ); document.write( " |