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Questions in mathematics

[Solved] When solving an equation, Gabrielle's first step is shown below. Which property justifies Gabrielle's first step? Original Equation: [tex]$3 x+1=2$[/tex] First Step: [tex]$3 x=1$[/tex]

[Solved] Write $0.\overline{12}$ as a fraction.

[Solved] Divide and simplify. $\frac{8}{7} \div 2$

[Solved] Solve for $x$. $-\frac{8}{9} x-12=68$

[Solved] $5 \div \frac{4}{5} =$

[Solved] Use your calculator to evaluate. Write your answer as a fraction. $(\sqrt[5]{59049})^{\frac{7}{2}}$

[Solved] Five students take a math test, scoring 97, 92, 81, 90, and 73. What is the median score in the group? A. 90 B. 86.6 C. 73 D. 92

[Solved] Solve the equation and check. [tex]\frac{5 t}{6}-\frac{t}{2}=1[/tex] Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. [tex]t=[/tex] (Simplify your answer.) B. The solution is all real numbers. C. There is no solution.

[Solved] Find the domain of [tex]f ( x )[/tex]. [tex]f(x)=\frac{2 x+6}{8 x-16}[/tex]

[Solved] \frac{a-b}{16 b^3} \cdot \frac{12 b^4}{a-b}