Questions in mathematics

Questions in mathematics

📝 Answered - Which expression is equivalent to $\sqrt{-108}-\sqrt{-3}$ ? A. $51 \sqrt{3}$ B. $6i \sqrt{3}$ C. $7i \sqrt{3}$ D. $8i \sqrt{3}$

📝 Answered - visits by seven patients in a month as follows: $3, 5, 2, 7, 1$

📝 Answered - If [tex]$A=\left[\begin{array}{lll}3 & 1 & 5 \\ 2 & 6 & 4 \\ 8 & 7 & 9\end{array}\right]$[/tex] and [tex]$B=\left[\begin{array}{lll}1 & 2 & 4 \\ 1 & 5 & 3 \\ 2 & 4 & 0\end{array}\right]$[/tex], find [tex]$5A$[/tex] and [tex]$-2A+3B$[/tex].

📝 Answered - $\int \frac{4}{\sqrt{-6 x^2-24 x+6}} d x$ A. $\frac{2}{\sqrt{6}} \arcsin \left(\frac{x-2}{\sqrt{6}}\right)+C$ B. $\frac{4}{\sqrt{6}} \arcsin \left(\frac{x+2}{\sqrt{5}}\right)+C$ C. $\frac{2}{\sqrt{6}} \arcsin (z+\sqrt{5})+C$ D. $\frac{4}{\sqrt{ } 5} \arcsin \left(\frac{z+2}{\sqrt{ } 6}\right)+C$ E. $\sqrt{6} \arcsin (x+2)+C$

📝 Answered - Given that [tex]$\log _a x=3, \log _a y=4$[/tex], and [tex]$\log _a z=5$[/tex], find the following. [tex]$\log _a \frac{\sqrt[3]{y^2 z^4}}{\sqrt[3]{x^2 z^{-4}}}$[/tex]

📝 Answered - A = [tex]35 \times \frac{\left[\left(1+\frac{0.0725}{12}\right)^{(12 \cdot 42)}-1\right]}{\left(\frac{0.0725}{12}\right)}[/tex] A = (Round to the nearest cent as needed.)

📝 Answered - Write $9-\sqrt{-64}$ as a complex number. A) $9-9 i$ B) $9-8 i$ C) $9-\sqrt{-8}$ D) $9+8 i$

📝 Answered - Which of the following would be a line of reflection that would map ABCD onto itself?

📝 Answered - Write 34392.55 in scientific notation. A) 3.439255 × 10-3 B) 3.439255 × 103 C) 3.439255 x 104 D) 3.439255 × 10-4

📝 Answered - If $2 \log a+3 \log b=2$ then $a^2 b^3=$