In madras,temperature at noon variesaccording to -t^2/2 + 8t+3, where t is elapsed time.Find how much temperature more or less in 4pm to 9pm

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u.kalyan chakravarthy

  • Jun 15th, 2006
 

here temp is direstly proportional to -t^2/2+8t+3

so at 4pm -4^2/2+4*8+3 is 27

at 9 pm -9^2/2+9*8+3 is 70.5

so diff is 34.5

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Navdeep

  • Sep 13th, 2006
 

Gone upper from the Head.....Plz help me understand these operators precedence and arithmetic,,Thanx,Navdeep

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sri

  • Sep 16th, 2006
 

wat is -t^2/2 i dint get that

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virus

  • Sep 29th, 2007
 

It is asking for the elapsed time which is 9-4=5 so put 5 in equation and we get 3.5

Think logically we cannot get a difference of 34.5 in any case

Please correct me if I am wrong.




TO ERR IS HUMAN AND TO HUMAN IS ERR

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