Questions in mathematics

Questions in mathematics

📝 Answered - Simplify. [tex]$\sqrt{10 v^2 y^4} \sqrt{2 v^7 y}$[/tex]

📝 Answered - 27/45 Marks The equation of line L, is y = 5x+1 The equation of line L₂ is 2y-10x + 3 = 0 Show that these two lines are parallel.

📝 Answered - Which table represents the graph of a logarithmic function in the form [tex]y=\log _b x[/tex] when [tex]b>1[/tex]? Table 1: | x | y | | :----- | :---- | | 1/8 | -3 | | 1/4 | -2 | | 1/2 | -1 | | 1 | 0 | | 2 | 1 | Table 2: | x | y | | :------ | :------- | | -1.9 | -2.096 | | -1.75 | -1.262 |

📝 Answered - Does the element $x=21$ belong to the set $\lbrace x \mid-1 \leq x \leq 12, x \in I \rbrace$? True False

📝 Answered - Line EF has an equation of [tex]$y=-2x+7$[/tex]. Which of the following could be an equation for a line that is perpendicular to line EF? A. [tex]$y=2x-3$[/tex] B. [tex]$y=\frac{1}{2}x-3$[/tex] C. [tex]$y=-2x-3$[/tex] D. [tex]$y=-\frac{1}{2}x-3$[/tex]

📝 Answered - Solve the problem. Find the break-even point for the given cost and revenue equations. Round to the nearest whole unit. [tex] \begin{array}{l} C=20 n+134,000 \\ R=160 n \end{array} [/tex] A. 744 B. 180 C. 140 D. 957

📝 Answered - Determine [tex]L ^{-1}{F}[/tex]. [tex]s^2 F(s)+s F(s)-20 F(s)=\frac{s^2+5}{s^2+6 s}[/tex] Click here to view the table of Laplace transforms: Click here to view the table of properties of Laplace transforms. [tex]L ^{-1}{F}=\square[/tex]

📝 Answered - Consider the following investment. (Round your answers to the nearest cent.) $5,500 at $5 \frac{3}{4}\% compounded quarterly for $7 \frac{1}{2}$ years (a) Find the future value of the given amount. $ (b) Interpret the future value of the given amount. After $7 \frac{1}{2}$ years, the investment is worth $

📝 Answered - Evaluate the limit using L'Hospital's rule $\lim _{x \rightarrow 0} \frac{e^x-1}{\sin (8 x)}$

📝 Answered - Lorne subtracted $6 x^3-2 x+3$ from $-3 x^3+5 x^2+4 x-7$. Use the drop-down menus to identify the steps Lorne used to find the difference. 1. $\left(-3 x^3+5 x^2+4 x-7\right)+\left(-6 x^3+2 x-3\right)$ 2. $\left(-3 x^3\right)+5 x^2+4 x+(-7)+\left(-6 x^3\right)+2 x+(-3)$ 3. $\left[\left(-3 x^3\right)+\left(-6 x^3\right)\right]+[4 x+2 x]+[(-7)+(-3)]+\left[5 x^2\right]$ 4. $-9 x^3+6 x+(-10)+5 x^2$ 5. $-9 x^3+5 x^2+6 x-10$