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Questions in Math tagged with "algebra"

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  find the cosines of the interior angles of the triangle with vertices A(3,-1,1), B(4,1,0),C(2,-3,0), find the vector component of AC orthogonal to AB.

  Posted by benjamin7 on Nov 21, 2009 at 12:35 PM

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  If y=7.5 when x=0.5, find y when x=-3

  Posted by talleighchris on Nov 19, 2009 at 02:36 PM

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  (6-x)/(x^4+2x^3-13x^2-14x+24)+1/(x^3-2x^2-5x+6)+1/(x^2+x-2)-1/(x^2-4x+3)

  Posted by snowleopard on Nov 15, 2009 at 08:30 AM

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  The ordered pair (2, 36) is a solution for which equation(s)?

  Posted by inchylala89 on Nov 12, 2009 at 10:08 AM

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  How would you do a math problem that is like this 15mn 1/5?

  Posted by sleepysorrow on Oct 28, 2009 at 07:26 PM

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  Solve the equations for x

  Posted by sam-129 on Oct 26, 2009 at 10:03 AM

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  2h-8=h+17

  Posted by antdogg53 on Oct 20, 2009 at 04:03 PM

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  How do I solve this problem? 6-|3-y|=1

  Posted by talleighchris on Oct 12, 2009 at 03:57 PM

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  I want to clear my SAT math section help me to suggest online test preparation centres

  Posted by ashleypeter851 on Oct 7, 2009 at 12:23 AM

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  Please solve, a)25.15^(2x)=3^(x+1).5^(4x) b)x^lgx=10

  Posted by benjamin7 on Oct 1, 2009 at 06:23 PM

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  Solve the following equations for the two unknowns (simultaneously): (i) 2p+5q =6 and q-p=4 (ii) -3(g+2c)= -27 and 8g-12c=44

  Posted by amreen25 on Oct 1, 2009 at 12:21 PM

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  Two friends go to the cinema and buy two tickets, two regular boxes of popcorn, two slush puppies and a packet of whispers.

  Posted by seshini on Oct 1, 2009 at 12:10 PM

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  If x + y = $22 and the price of x was 20% higher than the price of y, what does y equal?

  Posted by dingo777 on Sep 24, 2009 at 04:24 PM

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  What is the equation of a line that passes through the point (3,-4) and has a slope of 2?

  Posted by sefer1 on Sep 17, 2009 at 08:45 AM

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  Solve this eqution: (x+3)(x+9)

  Posted by soul001 on Sep 10, 2009 at 02:19 PM

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  How do I solve for a variable when it is on both sides like: 5y + 3 = 4y -1?

  Posted by zj35 on Aug 28, 2009 at 03:42 PM

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  Solve for b:  -86 x b = 43

  Posted by bob15 on Aug 24, 2009 at 02:16 PM

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  Find the vertx, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function. f(x)=2x^2+2x+1

  Posted by porky1978 on Aug 19, 2009 at 03:18 PM

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  Write an equation in point slope form of the line that passes through the point (-7, 6) and has a slope of m=0.

  Posted by lquiz on Aug 14, 2009 at 10:42 PM

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  What are the properties of equalities and what do they do?

  Posted by suechang on Aug 8, 2009 at 05:28 PM