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Questions in Grade High-school

📝 Answered - Evaluate the expression. 7. $4+4+5 \times 2 \times 5+(3+3+3) \times 6 \times 6+2+2$

📝 Answered - A chipmunk can run [tex]$5 m / s$[/tex]. A fox can run [tex]$8 m / s$[/tex]. If the chipmunk and fox start running at the same time, will the chipmunk make it to its burrow in time? [tex]20 m[/tex] chipmunk [tex]30 m[/tex] fox

📝 Answered - A testable prediction that predicts a cause and effect relationship between variables is a(n) A. analysis B. hypothesis C. observation D. inference

📝 Answered - 18(w+1)=36 W-5(w+10)

📝 Answered - Select the expression that is equivalent to [tex]$\left(3 x^2+1\right)^{-\frac{5}{3}}$[/tex]

📝 Answered - Assuming [tex]$x$[/tex] and [tex]$y$[/tex] are both positive, write the following expression in simplest radical form: [tex]$x \sqrt{54 x^4 y^4}$[/tex]

📝 Answered - Evaluate [tex]x^2[/tex] when [tex]x=-3.1[/tex]

📝 Answered - Select the correct answer. Which exponential equation is equivalent to this logarithmic equation? [tex]$\log x=4$[/tex] A. [tex]$10^4=x$[/tex] B. [tex]$10^x=4$[/tex] C. [tex]$e ^x=4$[/tex] D. [tex]$e^4=x$[/tex]

📝 Answered - The molar heat of fusion for water is $6.01 kJ / mol$. How much energy must be added to a $75.0-g$ block of ice at $0^{\circ} C$ to change it to 75.0 g of liquid water at $0^{\circ} C$? Use $q=n \Delta H$.

📝 Answered - Match each equation to its solution. [tex]x=6[/tex] [tex]x=-5[/tex] [tex]x=-7[/tex] \begin{tabular}{|l|l|l|} \hline [tex]4.5 x-7=20[/tex] & & \\ \hline [tex]-3 x+7=28[/tex] & & \\ \hline [tex]2 x+3=-7[/tex] & & \\ \hline \end{tabular}