Topic
Q:
Hausaufgabe 23: (Inverse einer Matrix)
a) Berechnen Sie die Inverse der Matrix
\[ A=\left(\begin{array}{ccc}0 & -3 & -2 \\ 1 & -4 & -2 \\ -3 & 4 & 1\end{array}\right), \]
indem Sie die Matrix \( A^{-1} \) in allgemeiner Form ansetzen und ihre unbekannten Matrix-
elemente über die Forderung \( A A^{-1}=\mathbf{1}_{3} \) ermitteln.
b) Prüfen Sie Ihr Ergebnis aus a), indem Sie das Matrixprodukt \( A A^{-1} \) ausführen. (Die Be-
rechnungen der Einträge in der 1. Spalte von \( A A^{-1} \) sind dabei detailliert aufzuschreiben.)
Q:
6. How did the pandemic highlight the interconnectedness of global communities?
7. What can you infer about the adaptability of schools and businesses during the
pandemic?
8. How did people's understanding of the virus evolve over time, and what factors
contributed to this change?
Q:
1. What can you infer about the global impact of COVID-19 based on the number of
infections and deaths mentioned in the article?
2. How did the roles of first responders and essential workers contribute to
communities during the pandemic?
Q:
What action does the USDA believe could save the
United States \( \$ 200 \) million per year in fuel costs?
A) increasing irrigation efficiency
(B) increasing food prices
(C) decreasing dairy farmers
Decreasing population growth
Q:
What law proved that the government would protect slavery in the South?
the Fugitive Slave Act
the Bill of Rights
Q:
Explain your definition of slope or use another word to define slope.
Q:
4. En una clase de 35 alumnos se quiere elegir un comité formado por tres alumnos.
¿Cuántos comités diferentes se pueden formar?
Q:
1. Con los pesos de 6 alumnos de \( 56,60,62,63,66 \) y 69 kilos tomándolos de tres en tres
¿cuántas pesadas diferentes pueden obtenerse?
Q:
The Black Panther Party was
committed to non-violent strategies for pursuing justice
an illegal police association that targeted civil rights activists for violent abuse
a pacifist political association organized in New York
none of these answers are correct
Q:
AND SHAPE \& DATA HANDLING
Which ONE of the following numbers is an irrational number?
\( \begin{array}{ll}\text { A. } \sqrt[3]{27} & \text { B. } \sqrt[3]{-27} \\ \text { C. } 0 \div 27 & \text { D. } \sqrt{27} \\ \text { Which iraction lies between } \frac{1}{2} \text { and } \frac{2}{3} \text { on a number line? }\end{array} \)
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