Questions in mathematics

Questions in mathematics

[Free] Four circles, each with a radius of 2 inches, are removed from a square. What is the remaining area of the square? A. $(16-4 \pi)$ in. $^2$ B. $(16-\pi)$ in $^2$ C. $(64-16 \pi)$ in. $^2$ D. $(64-4 \pi)$ in $^2$

[Free] Solve: [tex]$1 \times -23=$[/tex]

[Free] Convert the following expression to exponential form: [tex]$\sqrt[9]{a^4}$[/tex]

[Free] [tex]\frac{1}{w^2-9} \div \frac{w+3}{w-3}[/tex]

[Free] What is the probability of finding exactly two pairs in a five-card hand?

[Free] Complete the work shown to find a possible solution of the equation. $\begin{array}{l} (x-5)^{\frac{1}{2}}+5=2 \\ (x-5)^{\frac{1}{2}}=-3 \\ {\left[(x-5)^{\frac{1}{2}}\right]^2=(-3)^2} \end{array}$ A possible solution of the equation is $\square$

[Free] Find the simplified product: $\sqrt[3]{2 x^5} \cdot \sqrt[3]{64 x^9}$

[Free] The ratio of the diameters of two circles is $y: z$. What is the scale factor of the circles? A. $\frac{y}{2 z}$ B. $\frac{y}{z}$ C. $y z$ D. $2 y z$

[Free] Find the vertex of the graphed function. [tex]f(x)=|x-4|+3[/tex] The vertex is at ( $\square$ , $\square$ ).

[Free] If [tex]p(u)=\int_0^{u^3} \sqrt{8+r^4} dr[/tex] then [tex]p^{\prime}(u)=[/tex] ?