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  1. S

    solve this riddle, its HARD....VERY hard...?

    His mother
  2. S

    Pre-Cal - Vector word problems!! help!!?

    " The pilot of an aircraft heads directly due East but is faced with a wind speed of 40 mph pushing against him a bearing of 315°. If the pilot maintains an airspeed of 250 mph, what compass heading will he actually maintain? What is the actual speed of the aircraft? " i don't even know how to...
  3. S

    another pre-cal question!!! product of complex numbers! HEELLPPPP!!!!?

    z1 = 2+ 2i z2 = sqrt(3) -i Note: - i is not under square root. no idea how to do this problem. do i convert to rectangular? it says to keep in polar though.. HELP how would you convert it to polar now? cus isn't it r = ?a^2 + b^2 but a= 2+2?3
  4. S

    pre cal question. how do you find cube root?

    find the complex cube root of -8i (in rect. form) idk how to find the cube root of an "i" imaginary number :( please help me!!!!
  5. S

    I really need help with PHYSICS !?

    7. The distance between two successive crests of a certain transverse wave is 1.33 m. Eight crests pass a given point along the direction of travel every 18.3 s. Calculate the wave speed. Answer in m
  6. S

    law and order better than csi?

    i love svu.. sci doesn't make sense lol
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