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Questions in mathematics

[Answered] The formula [tex]F(C)=\frac{9}{5} C+32[/tex] calculates the temperature in degrees Fahrenheit, given a temperature in degrees Celsius. You can find an equation for the temperature in degrees Celsius for a given temperature in degrees Fahrenheit by finding the function's inverse. Complete the following: The inverse of [tex]F(C)=\frac{9}{5} C+32[/tex] is [tex]C(F)=\square F-\square[/tex]

[Answered] Type the correct answer in the box. Use numerals instead of words. What value of $x$ satisfies this equation? [tex]$\log (5 x+20)=2$[/tex] The value of $x$ is $\square$

[Answered] $\frac{5 x+9}{2}=12$

[Answered] Solve the equation. Check your answer. [tex]8 k-6=6(k+3)+6 k[/tex] [tex]k=\square[/tex]

[Answered] \begin{tabular}{|l|l|l|l|} \hline & & & \\ \hline One-to-one? & OYes ONo & OYes ONo & OYes Ono \\ \hline \end{tabular}

[Answered] Which expression is equivalent to $(f+g)(4)$? f(4)+g(4) f(x)+g(4) f(4+g(4)) 4(f(x)+g(x))

[Answered] Solve for [tex]$h$[/tex]. [tex] \begin{array}{l} -3(h-18)=0 \\ h=\square \end{array} [/tex]

[Answered] Which step could be used to help isolate the variable in the following equation? [tex]$5.6 j-0.12=4+1.1 j$[/tex] A. Subtract 0.12 from both sides. B. Subtract 5.6 from both sides. C. Subtract 4j from both sides. D. Subtract [tex]$1.1 j$[/tex] from both sides.

[Answered] Determine the slope and $y$-intercept of the line. $y=5 x+4$ A. Slope $=4, y$-intercept is $(0,5)$ B. Slope $=-5, y$-intercept is $(0,4)$ C. Slope $=5, y$-intercept is $(0,4)$ D. Slope $=4, y$-intercept is $(0,-5)$

[Answered] If [tex]c(x)=\frac{5}{x-2}[/tex] and [tex]d(x)=x+3[/tex], what is the domain of [tex](c d)(x)[/tex]? A. all real values of [tex]x[/tex] B. all real values of [tex]x[/tex] except [tex]x=2[/tex] C. all real values of [tex]x[/tex] except [tex]x=-3[/tex] D. all real values of [tex]x[/tex] except [tex]x=2[/tex] and [tex]x=-3[/tex]