| Recent Answers from Abe Mantell |
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2008-09-01 Pre-Cal: Hello Ashley, So, you want to solve 4X^3-24X^2-X+6=0... Factor by grouping: 4x^2(x-6)-1(x-6)=0 Now factor out the (x-6) to get: (x-6)(4x^2-1)=0 Now factor the 4x^2-1 to get: (x-6)(2x+1)(2x-1)=0...
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2008-07-24 algebra: Hello Chantal, I do not understand the problem. What is "E" supposed to be? Do you mean "e" the base of the natural logarithm? (e=2.7182818...) So, do you mean e/sqrt(10)??? I will soon be...
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2008-07-23 Algebra: Hello Gail, Let x=the # of lbs of raisins needed, and let y=the # of lbs of granola needed. So... x+y=6, and 1.69x+2.59y=2.29*6 (i.e. the cost of x lbs of raisins + the cost of y lbs of granola...
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2008-07-21 Algebra: Hello Ramona, I do not understand what you have written...is it supposed to be an equation? If so, there should be an "equals sign" somewhere in there. Also, I do not understand "the square root...
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2008-07-20 interval notation: Hello Courtney, Interval notation is used to spcecify a range of values, not just 1 or 2 values. For example: 1. the solution to: 2x+1>9 is x>4, so any x value greater than 4 -- solves the equation...
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