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An organ pipe open at both ends has a harmonic with a frequency of 564 Hz. The next higher harmonic in the pipe has a frequency of 658 Hz.? Why is it 70 degrees in winter ? How do we know what Earth's magnetic field looks like? Use the nth roots theorem to find the roots of the given complex number. exact answer a)Find the square roots of i? What is the formula for the determinant of a 3 x 3 matrix. (see image)?

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