Precalculus Quiz
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VECTORS
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Angles are measured in degrees counterclockwise from the positive xx-axis. Vector u\mathbf{u} has magnitude 1010 at direction 0∘0^\circ, and vector v\mathbf{v} has magnitude 1010 at direction 90∘90^\circ. Using the information provided, what is the magnitude of u+v\mathbf{u}+\mathbf{v}? (Direction is not needed.)​
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