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ariel
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A wall is supported by a brace 10 feet long. If one end of the brace is placed 6 feet from the base of the wall, how many feet
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Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=5 to n=1 in J.
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can you help me with this Subtract 5x^2 + 2x -11 from 3x^2 + 8x -7 . Express the result as a trinomial.
