document.write( "Question 1016132:  please help me solve this question\r
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document.write( "A hemispherical tank full of water is emptied by a pipe at the rate of 25/7 litres per second. How much time will it take to empty half the tank, if it is 3m in diameter \n" );
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| Algebra.Com's Answer #632527 by addingup(3677)     You can put this solution on YOUR website! 4/3*pi*r^3 is the volume \n" ); document.write( "The diameter is 3, so the radius is 3/2=1.5 \n" ); document.write( "Now find the volume which will equal the amount of water in the tank. \n" ); document.write( "4/3*pi*1.5^3 Follow the order of operations: \n" ); document.write( "4/3*pi*3.375 \n" ); document.write( "4/3*10.60 \n" ); document.write( "(4*10.60)/3 = 14.13 is the volume \n" ); document.write( "I ran out of time. Divide 14.13 by 25/7 and you get your answer. \n" ); document.write( " |