nario
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Everything posted by nario
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hi arjmen thanks for the correction it makes sense to look at the solution this way x belongs to an open interval(-1,0) and also to (1,infinity) what is(are) the "probable" value(s) of x
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hi arjmen i think the answer is a bcos check what happens when x = 1 we get 1
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i left 6 bcos u already have lcm of 2 n 3 in 8( as 2^3) and 9(3^2)
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percentage of those who got any one question right is say B which is 80% since 20% got both wrong now % of those who got 1st correct is 75% % who got 2nd correct is 55% 80 = 75 + 55 - (% who got both correct) 50%
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length n width of R in ratio 3 : 2 or 15 : 10 length n width of q in ratio 5 : 2 or 15 : 6 length of Q n R in 1 : 2 ratio so q is 30 : 12 area of Q to area of P 30 * 12 : 15* 10 or 12:5
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lcm of 5, 7 , 8 , 9 = 2520
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the answer is 3 solve by elimination p = -1 q = 0 r = 1
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i will go with A since x^2 = xY x * x = x*y if x not zero then x = y a contradiction now since x and y are different for any y not equal to x this equation is satisfied only if x equals zero:hmm: eg: y = 4 , x = 0
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hi there is a simple formula for this the amount of solution left is if x litres is the original solution and y litres is removed after removing y litres for y times the amount left is x(1- y/x)^n 30( 1- 6/30)^3 = 30(0.8)^3 = 30 * .512 = 15.36
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x next (1- .08)^2 is less than 1 and something less than 1 - 1 is always negative hence z y>x
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10 rooms charging $20 less gives $200 which is 1/4 th (25%) reduction so total is $800
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Erin u r such a hope thanx