I am completely stuck on

  1. The displacement of an object in SHM is given by y(t) = (7.1 cm)sin[(1.64 rad/s)t]. What is the frequency of the oscillations in
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    2. Angie asked by Angie
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  2. h(x) = {k cos x 0 ≤ x ≤ 9π{13 − x 9π < x So far I've set it up to be 13 - 5π = k cos 5π but I'm completely stuck now.
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    2. Patrick asked by Patrick
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  3. Factor completely3p^2q + 9p^2q^2 - 12p^2q^3 I have done the following: 3p^2q(1+3q-4q^) but then i get stuck..not sure if that's
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    2. help asked by help
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  4. Solve the equation for A.12AB + 7B = 5A Please help, I am completely stuck.
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    2. Anonymous asked by Anonymous
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  5. how would you prove that sin^2(a)-cos^2(b)= sin^2(b)-cos^2(a).i'm not completely sure that this is right but i used the
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    2. mike asked by mike
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  6. What are the approximate solutions of 2x^2 - x + 10 = 0?A. -2, 2.5 B. -1.97, 2.47 C. -2.5, 2 D. no solution Please help im
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    2. Anonymince asked by Anonymince
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  7. Find the derivative of the function.g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the
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    2. Anonymous asked by Anonymous
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  8. I need to figure out whether NaNO3 is saturated, unsaturated, or supersaturated in a 3 molal solution at 40 degrees Celsius. I
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    2. anonymous asked by anonymous
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  9. Hello! I'm doing these questions for my chemistry homework, and I can only figure out the first one, I don't know how to do the
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    2. J.J asked by J.J
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  10. Given the equation 2SO2(g) +O2(g) -> 2SO3(g), H = -197.8 kJ per Mole, find the quantity of heat transferred when 8.54 grams of
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    2. Madalyn asked by Madalyn
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