Questions in mathematics

Questions in mathematics

📝 Answered - What is the following product? $(5 \sqrt{2}-4 \sqrt{3})(5 \sqrt{2}-4 \sqrt{3})$

📝 Answered - 32. Resuelva la siguiente inecuación: 7x + 9 + 4x + 18 >= -15 a. x <= -4 b. x >= -4 c. x <= -10 d. x >= -10

📝 Answered - The slope-intercept form of a linear equation is $y=m x+b$, where $x$ and $y$ are coordinates of an ordered pair, $m$ is the slope of the line, and $b$ is where the line crosses the $y$-axis. Which is an equivalent equation solved for the slope, $m$? A. $m=y x+b$ B. $m=\frac{y-b}{x}$ C. $m=\frac{y}{x}-b$ D. $m=y-\frac{b}{x}

📝 Answered - Solve and Check: $(a+4)^2+3(a+4)+2=0$ If there are multiple solutions, separate them using commas

📝 Answered - An upholsterer cuts a $1 \frac{2}{3}$ foot piece of cording from a piece that is $2 \frac{1}{4}$ feet long. How much cording is left? A. $\frac{7}{12} ft$ B. $1 \frac{5}{12} ft$ C. $1 \frac{7}{12} ft$ D. $3 \frac{11}{12} ft

📝 Answered - What is the following quotient? [tex]$\frac{9+\sqrt{2}}{4-\sqrt{7}}$[/tex]

📝 Answered - [2024] [x] x [1.99]=1 [-1.02]=-2 [-3.4] [-0.6]=

📝 Answered - Find the point of intersection of the lines [tex]$y-x-4=0$[/tex] and [tex]$y=2 x-1$[/tex] using substitution and elimination.

📝 Answered - The number of prescriptions filled at a pharmacy each hour during an 8-hour period is shown in the table. The employee spilled coffee on the table, making the entry for hour 2 unreadable. The employee knows that the mean for the data in the table is 21. How many prescriptions were filled during hour 2? | Hour | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |---|---|---|---|---|---|---|---|---| | Number of Prescriptions | 18 | ? | 22 | 25 | 16 | 24 | 22 | 28 | A. 13 B. 14 C. 20 D. 22

📝 Answered - Simplify the expression. [tex]$\begin{array}{c} \left(x^{-6}\right)^3 \\ \frac{1}{x^{[?]}} \end{array}$[/tex]