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Questions in Grade High-school

📝 Answered - Solve the equation. Check your answer. [tex]8 k-6=6(k+3)+6 k[/tex] [tex]k=\square[/tex]

📝 Answered - Select the best answer for the question. Which statement accurately describes a P wave? A. A P wave can move through solid rock only. B. A P wave moves particles up and down or side to side. C. A P wave travels more slowly than an S wave. D. A P wave can travel through liquids.

📝 Answered - Which expression is equivalent to $(f+g)(4)$? f(4)+g(4) f(x)+g(4) f(4+g(4)) 4(f(x)+g(x))

📝 Answered - Solve for $y$. $-\frac{y}{3}+19=33$

📝 Answered - If [tex]f(x)=\frac{x}{2}+8[/tex], what is [tex]f(x)[/tex] when [tex]x=10[/tex]?

📝 Answered - Solve each equation for the variable. 13. [tex]$-5=6 d-7 d+4$[/tex] 14. [tex]$4 e-4=e-4$[/tex] 15. [tex]$-7 f+6=116=3 f$[/tex] 16. [tex]$4+2 g+5 g=-66$[/tex] 17. [tex]$5 h+3=3 h+11$[/tex] 18. [tex]$5 i+4=14+4 i$[/tex] 19. [tex]$4 j+26=50+6 j$[/tex] 20. [tex]$2 k+36=6 k-12$[/tex] 21. [tex]$L+21=-L+87$[/tex]

📝 Answered - Collect data: Beginning with Na, record the number of energy levels, number of protons, and atomic radius for each element in period 3. \begin{tabular}{|c|c|c|c|c|c|c|c|c|} \hline Element & Na & Mg & Al & Si & P & S & Cl & Ar \\ \hline Number of energy levels & & & & & & & & \\ \hline Number of protons & & & & & & & & \\ \hline Atomic radius $( pm )$ & & & & & & & & \\ \hline \end{tabular}

📝 Answered - Simplify the following algebraic expression: [tex]$\frac{1}{4}(12 x+28)=\square$[/tex]

📝 Answered - Given [tex]$\sin \theta=\frac{\sqrt{5}}{3}$[/tex], what is [tex]$\cos \theta$[/tex]? Report your answer in simplest form. [tex]$\cos \theta=[?]$[/tex]

📝 Answered - $\frac{7.2}{9.1 \times 2.8}$ (a) Write down your full calculator display. (b) Write your answer to 1 significant figure.