10994 results.
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No description given
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Solve a pair of linear equations by writing an equivalent matrix equation.
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This question plots a general amplitude modulated carrier signal defined by $v_s(t) = (V_{DC} + V_m \cos(2\pi f_m t))\cos(2\pi f_c t)$, where $V_{DC}$ is a DC offset, $V_m$ is the message amplitude, $f_m$ is the message frequency and $f_c$ is the carrier frequency ($f_c = 20f_m$ in this question). The student must identify the values of $V_{DC}$ and $V_m$ and enter these values into the appropriate gaps in the equation of the AM signal.
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Identify materials
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Conductivity
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Volume of Cube
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Pythagoras
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Equilateral triangle
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Reinforcing materials
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Algebra - substitution
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Pythagoras (ladder) (poor quality graphic)
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Reading a graph (poor quality graphic)
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Cylinder volume
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Arithmetic
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Rearrange formula
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Area of triangle
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Cube volume
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Metals - form of supply
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Metal Hardness
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High temp' materials
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Tolerance
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Integer to a power
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Calculate square root
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Area of triangle
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Relative Density
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Pythagoras
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Calculate efficiency
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innovation in information
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innovation in medicine
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Cast iron
