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    Pre calculus - Please help, I cant understand the actual workings?

    1. A jet is flying in a direction N30W with a speed of 688km/h. The horizontal and vertical components of the velocity of the jet is? I cannot seem to get the right answer for this - please can you show me the workings.... 2. Decompose into partial fractions x^2 + 3x - 5 / (x+1) (x^2 + 2)...
  2. N

    Pre calculus - please help me here?

    Express 2-3i/1-2i in the form a + bi where a,b E R
  3. N

    Solve the following system of constraints associated with a linear programming problem:?

    3x + y 24 x + y 10 x + 3y 24 x 0 y 0 Maximize z = 5x + 3y
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