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Questions in mathematics

[Answered] $g(t)=2t+7$, find $g(8)$

[Answered] Combine like terms. $x y+1-y+x y$

[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]$\longleftarrow 20 m$[/tex] chipmunk [tex]$ \qquad$[/tex] 30 m [tex]$ \qquad$[/tex] fox

[Answered] Enter the correct answer in the box. What is the standard form of the polynomial expression that represents the volume of this shipping container?

[Answered] Approximate $-\sqrt{23}$ to the nearest tenth. Draw the point on the number line.

[Answered] Explain how to solve [tex]4^{x+3}=7[/tex] using the change of base formula [tex]\log _b y=\frac{\log y}{\log b}[/tex]. Include the solution for [tex]x[/tex] in your answer. Round your answer to the nearest thousandth.

[Answered] The monthly mean salaries and standard deviations of four college students are given below. \begin{tabular}{|c|c|c|} \hline Student & Mean & Standard Deviation \\ \hline Clarissa & $345 & 12.53 \\ \hline Abi & $598 & 8.99 \\ \hline Kaila & $812 & 15.29 \\ \hline Shenika & $208 & 7.67 \\ \hline \end{tabular} Which statement must be true? A. The monthly salary of Shenika is less spread out than the monthly salary of Clarissa. B. The monthly salary of Kaila is less spread out than the monthly salary of Abi. C. The monthly salary of Abi is less spread out than the monthly salary of Shenika. D. The monthly salary of Clarissa is less spread out than the monthly salary of Abi.

[Answered] If [tex]BD = 7x - 10[/tex], [tex]BC = 4x - 29[/tex], and [tex]CD = 5x - 9[/tex], find each value. [tex] x = ? BC = ? CD = ? BD = ? [/tex]

[Answered] What is the correlation coefficient for the data shown in the table? \begin{tabular}{|c|c|} \hline$x$ & $y$ \\ \hline 0 & 0 \\ \hline 1 & 1 \\ \hline 4 & 4 \\ \hline 5 & 5 \\ \hline \end{tabular}

[Answered] Graph the equation by plotting points. [tex]y-5=0[/tex] Use the graphing tool to graph the equation.