Questions in mathematics

Questions in mathematics

[Free] Direction: Perform the indicated operation. 1. 3m + 5 + m + 1 2. 3b + 3 - b - 1 3. 11b² - b² - 2b² 4. -2n² - 3n³ - n² - 2n³ 5. -4x²y³z - (-x²y³z)

[Free] A supervisor finds the mean number of miles that the employees in a department live from work. He finds [tex]$\bar{x}=29$[/tex] and [tex]$s=3.6$[/tex]. Which statement must be true? A. [tex]$z_{37}$[/tex] is within 1 standard deviation of the mean. B. [tex]$z_{37}$[/tex] is between 1 and 2 standard deviations of the mean. C. [tex]$z_{37}$[/tex] is between 2 and 3 standard deviations of the mean. D. [tex]$z_{37}$[/tex] is more than 3 standard deviations of the mean.

[Free] Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. What value of $p$ makes the equation true? [tex]$-3 p+\frac{1}{8}=-\frac{1}{4}$[/tex] $p=$

[Free] [tex]\frac{2}{5} \times\left(-\frac{3}{7}\\right)-\frac{1}{6} \times \frac{3}{2}+\frac{1}{14} \times \frac{2}{5}[/tex]

[Free] What is the zero of function f? f(x) = 3√x - 6

[Free] What is $4 log _{\frac{1}{2}} w+\left(2 log _{\frac{1}{2}} u-3 log _{\frac{1}{2}} v\right)$ written as a single logarithm? A. $ log _{\frac{1}{2}} w^4 u^2-v^3$ B. $ log _{\frac{1}{2}} w^4\left(\frac{u^2}{v^3}\right)$ C. $ log _{\frac{1}{2}}\left(\frac{w^4}{u^2 v^3}\right)$ D. $ log _{\frac{1}{2}}\left(w\left(\frac{u^2}{v^3}\right)\right)^4$

[Free] Write in figures: a) Twenty-nine lakh four thousand

[Free] b. [tex]$\frac{-2}{x}=\frac{19}{8}$[/tex]

[Free] Larissa dives into a pool that is 8 feet deep. She touches the bottom of the pool with her hands 6 feet horizontally from the point at which she entered the water. What is the approximate angle of elevation from the point on the bottom of the pool where she touched to her entry point? A. $36.9^{\circ}$ B. $41.4^{\circ}$ C. $48.6^{\circ}$ D. $53.1^{\circ}$

[Free] The slope for the line with points (-1, 5) and (2, 0) is True or False?