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  1. M

    Solve using superposition approach 2nd order ODE?

    can someone run a step by step answer as to how to solve this: y"-4y=(x^2-3)sin2x
  2. M

    How can I download music on phone samsung behold II?

    I have just bought the new samsung behold II an i dont know how to download music on it for free?? There is the aazon MP but i don't know if it is free on my phone.
  3. M

    Where can I find a mentor who can guide me in my studies of mysticism and

    religion and all mysterious things I? I need guidance in the form of a wise teacher who can lead me in the right direction and supervise me as I delve into studies.... I just feel so lost.
  4. M

    how to change the wallpaper on the samsung mythic?

    Hi. I know how to change the wallpaper on the main screens. but whenever my phone goes back to the lock screen it changes from the fireworks, to the sunflower, to the rain drops etc. i want to know how i can have it just on one instead of all of those. and does anyone know if there is a light...
  5. M

    facebook quizzes help!?

    heyy guyss(: My question is where can I find quizzes on facebook i can take that are about like which guy i will fall for or like the realtionship type quizzes? thaaanks!
  6. M

    AP english 3 & AP U.S. history?

    heyy guyss(: Im gonna be a junior in high school this school year.And I signed up for AP english 3/AP u.s. history. These two AP classes are combined so one day I go to english one day I go to u.s. history. Anyone who has taken this class, can you please tell me what you are expected to know...
  7. M

    Chi square test and expected number in crossing traits?

    Ok, I am confused as to how we determine the expected number in the chi square equation: sum of (observed-expected)^2/expected. Can someone explain to me the concept of this. How do you find the expected number? Give examples too please. This is for biology genetics
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