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Questions in Grade High-school

📝 Answered - If [tex]p(x)=x^2-1[/tex] and [tex]q(x)=5(x-1)[/tex], which expression is equivalent to [tex](p-q)(x)[/tex] ? A. [tex]5(x-1)-x^2-1[/tex] B. [tex](5 x-1)-\left(x^2-1\right)[/tex] C. [tex]\left(x^2-1\right)-5(x-1)[/tex] D. [tex]\left(x^2-1\right)-5 x-1[/tex]

📝 Answered - Solve for x, given the equation $\sqrt{x-5}+7=11$. A. $x=21$, solution is extraneous B. $x=21$, solution is not extraneous C. $x=81$, solution is extraneous D. $x=81$, solution is not extraneous

📝 Answered - Why is it somewhat surprising that Beowulf becomes an epic hero? A. He doesn't have much experience in battle. B. He was considered a somewhat fearful thane. C. He was considered a somewhat lazy thane. D. He doesn't have unusual physical strength.

📝 Answered - What is the value of [tex]$x$[/tex] in the equation [tex]$7x + 2y = 48$[/tex], when [tex]$y = 3$[/tex]?

📝 Answered - What is emphasized in a confederate system of government? A. a king's right to rule B. the power of the central government C. economic control D. regional or state authority

📝 Answered - Find the mean deviation about the median for the following data: (a) \begin{tabular}{|c|c|c|c|c|c|} \hline$x$ & 15 & 21 & 27 & 30 & 35 \\ \hline$f$ & 3 & 5 & 6 & 7 & 8 \\ \hline \end{tabular} (b) \begin{tabular}{|c|c|c|c|c|c|c|c|} \hline$x$ & 5 & 7 & 9 & 11 & 13 & 15 & 17 \\ \hline$f$ & 2 & 4 & 6 & 8 & 10 & 12 & 8 \\ \hline \end{tabular}

📝 Answered - Fill in the blanks with the appropriate vocabulary in Spanish. Think about what you have learned so far. 1. Buenos días, chicas. ¿Cómo __________ ustedes? 2. Hola. Me __________ Ana. 3. ¿Cómo te __________? 4. Mi __________ es Pablo. 5. Mucho __________ Pablo. 6. El gusto es __________. 7. Hola, Juan. ¿Qué __________? 8. Profesora, no entiendo. Hable __________ por favor. 9. Another way to say no hay de qué is __________.

📝 Answered - Two concentric circles are such that the radius of the larger is always twice the radius of the smaller. If the radius of the smaller is increasing at [tex]0.2 cm / sec[/tex], find the rate at which the area between the circles is increasing when the radius of the smaller is 12 cm.

📝 Answered - Solve the equation. $\frac{2}{5} x+\frac{1}{5}=-\frac{3}{5}$

📝 Answered - Solve. 21. $-3 x^2+4 x+10=3$