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Questions in Grade High-school

📝 Answered - Calculate $6 \frac{6}{4} \% \operatorname{tax}$ on $2,305. a. $ 15.56 b. $ 145.22 c. $ 146.14 d. $ 155.59

📝 Answered - Pn = n(3n-2)/2 Tn = n(n+1)/2

📝 Answered - Which statement best describes how to determine whether [tex]f(x)=x^3+5 x+1[/tex] is an even function? A. Determine whether [tex]-\left(x^3+5 x+1\right)[/tex] is equivalent to [tex]x^3+5 x+1[/tex]. B. Determine whether [tex](-x)^3+5(-x)+1[/tex] is equivalent to [tex]x^3+5 x+1[/tex]. C. Determine whether [tex]-x^3+5 x+1[/tex] is equivalent to [tex]-\left(x^3+5 x+1\right)[/tex]. D. Determine whether [tex](-x)^3+5(-x)+1[/tex] is equivalent to [tex]-\left(x^3+5 x+1\right)[/tex].

📝 Answered - Select the correct answer. What is the approximate solution to this equation? [tex]$15(3)^{2 x}=90$[/tex] A. [tex]$x=\frac{2 \log 6}{\log 3}$[/tex] B. [tex]$x=\frac{2 \log 3}{\log 6}$[/tex] C. [tex]$x=\frac{\log 3}{2 \log 6}$[/tex] D. [tex]$x=\frac{\log 6}{2 \log 3}$[/tex]

📝 Answered - Write an equivalent expression by distributing the "-" sign outside the parentheses: $-(-8 r-9.8 s)+8.1$

📝 Answered - Binary code is made up of which two digits? A. 1 and 10 B. 1 and 2 C. 0 and 1 D. 0 and 2 What is the purpose of documentation in programming?

📝 Answered - Add and simplify: [tex]$\frac{16}{a}+\frac{-14}{a^2}$[/tex]

📝 Answered - 8. Electrons with maximum kinetic energy of 3 eV are ejected from a metal surface by ultra-violet radiation of wavelength [tex]$1.5 \times 10^{-7} m$[/tex]. Determine the work function, threshold wavelength, and the stopping potential for the metal (Planck's constant, [tex]$h =6.62 \times 10^{-34} Js$[/tex]).

📝 Answered - Explain why the relationship between Hamlet, Gertrude, and Claudius is tense right now.

📝 Answered - Explain the difference between a theory and a law.