Algebra Archive: Questions from August 27, 2022
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10. Resuelva por mínimos cuadrados el sistema: \[ \left[\begin{array}{rr} 1 & -2 \\ -1 & 2 \\ 0 & 3 \\ 2 & 5 \end{array}\right]\left[\begin{array}{l} x_{1} \\ x_{2} \end{array}\right]=\left[\begin{ar1 answer -
15. The liquid level h(t) in a chemical reactor has been monitored. The results are shown in the following table. Where \( t \) is in hours and h(t) is in meters. By the method of least squares, fit t2 answers -
1 answer
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Simplify the exponential expression. \[ \frac{-6 x^{7} y^{7}}{3 x^{2} y^{5}} \] Simplify the exponential expression. \[ \left(\frac{9 x^{7}}{y}\right)^{-2} \]1 answer