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Questions in mathematics
📝 Answered - If [tex]QR=7[/tex], [tex]RS=3x[/tex], and [tex]QS=4x[/tex], what is [tex]QS[/tex]? Simplify your answer and write it as a proper fraction, mixed number, or integer.
📝 Answered - What is the solution to the linear equation? [tex]4 b+6=2-b+4[/tex]
📝 Answered - [tex]\frac{f}{-4}+11=5[/tex]
📝 Answered - If $315 is invested at an interest rate of 3% per year and is compounded continuously, how much will the investment be worth in 9 years? Use the continuous compound interest formula: [tex]$A = Pe ^{r t}$[/tex].
📝 Answered - Which two ordered pairs are solutions for the equation [tex]y=-2 x+4[/tex]? A. (6,-1) B. (1,2) C. (0,4) D. (-2,3)
📝 Answered - Evaluate the difference quotient for [tex]f(x)=5 x^2-6 x+12[/tex] A. [tex]5 x+5 h-6[/tex] B. [tex]10 x+5 h-6[/tex] C. [tex]10 x+5 h+1[/tex] D. [tex]5 h-6[/tex]
📝 Answered - Which of these tables represents a non-linear function? \begin{tabular}{|c|c|} \hline$x$ & $y$ \\ \hline 17 & 20 \\ \hline 18 & 19 \\ \hline 19 & 18 \\ \hline 20 & 17 \\ \hline \end{tabular} \begin{tabular}{|c|c|} \hline$x$ & $y$ \\ \hline 17 & -16 \\ \hline 18 & -17 \\ \hline 19 & -18 \\ \hline 20 & -19 \\ \hline \end{tabular} \begin{tabular}{|c|c|} \hline$x$ & $y$ \\ \hline 17 & 16 \\ \hline 18 & 17 \\ \hline 19 & 19 \\ \hline \end{tabular}
📝 Answered - Evaluate the expression if [tex]a=7, b=9[/tex], and [tex]c=4[/tex]. [tex]a^2+3 c^3[/tex]
📝 Answered - [tex]\frac{5^8 \cdot 7^7}{5 \cdot 7^6}[/tex]
📝 Answered - A parasail is [tex]$\frac{1}{20}$[/tex] of a kilometer above the water. Then, after 10 minutes, the parasail is [tex]$\frac{1}{50}$[/tex] of a kilometer above the water. What is the difference in height? A. [tex]$\frac{7}{100}$[/tex] kilometers B. [tex]$\frac{1}{20}$[/tex] kilometers C. [tex]$\frac{1}{50}$[/tex] kilometers D. [tex]$\frac{3}{100}$[/tex] kilometers
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