Questions in mathematics

Questions in mathematics

[Free] What is the simplified value of the expression below? [tex]$1.6(-4.5-(-10.2)+4)$[/tex] A. -29.92 B. -17.12 C. 15.52 D. 29.92

[Free] Which expression is equivalent to [tex]$\log _w \frac{\left(x^2-6\right)^4}{\sqrt[3]{x^2+8}} ?[/tex] A. [tex]$4 \log _w \frac{x^2}{1296}-\frac{1}{3} \log _w(2 x+8)$[/tex] B. [tex]$4 \log _w\left(x^2-6\right)-3 \log _w\left(x^2+8\right)$[/tex] C. [tex]$4 \log _w\left(x^2-6\right)-\frac{1}{3} \log _w\left(x^2+8\right)$[/tex] D. [tex]$4\left(\log _w x^2-\frac{1}{3} \log _w\left(x^2+8\right)-6\right)$[/tex]

[Free] Solve the following expression: [tex] \begin{array}{c} a=6 \quad b=4 \ \frac{10 a}{b}+7 \end{array} [/tex]

[Free] [tex]$\frac{1}{x-4} \geq 0$[/tex]

[Free] The volume of a cylinder: [tex]$V=\pi r^2 h$[/tex] a) [tex]$72 cm^3$[/tex] b) [tex]$18 cm^3$[/tex] c) [tex]$40 cm^3$[/tex]

[Free] Determine the value of $f(3)$ for the function $f(x)=\left\{\begin{array}{cc}\frac{x^3+18 x^2+104 x+192}{3 x-9} & \text { for } x \leq-3 \\ \frac{3 x^2-5 x+6}{x^3-2 x^2-9} & \text { for }-33\end{array}\right..$

[Free] Select the correct answer from each drop-down menu. Rose graphs this equation as shown: [tex]$x^2-4 x+y^2=0$ [/tex] Rose correctly found the $\square$ but incorrectly found the $\square$. To correct her graph, she should $\square$.

[Free] $|x+2|+4=11$ A. $x=5$ B. no solution C. $x=5,-9$ D. $x=7,-11$

[Free] Which expressions can you use to find $75 \%$ of 56? Check all that apply. $0.25 \times 56$ $\frac{3}{4} \times 56$ $0.75 \times 56$ $\frac{1}{4} \times 56$ $3 \times 14

[Free] A point has the coordinates $(0, k)$. Which reflection of the point will produce an image at the same coordinates, $(0, k)$? A. a reflection of the point across the $x$-axis B. a reflection of the point across the $y$-axis C. a reflection of the point across the line $y=x$ D. a reflection of the point across the line $y=-x