Questions in mathematics

Questions in mathematics

📝 Answered - Which graph can be used to find the solution(s) to [tex]$x^2-1=3$[/tex]?

📝 Answered - [tex]\frac{25^x-5^{2 x-1}}{4 \times 25^x}=\frac{1}{5}[/tex]

📝 Answered - If $x=3$ and $y=-1$, evaluate $2(x^2-y^3)$.

📝 Answered - The inequality $3 x-11<11 x+18$ is equivalent to: a. $x>-\frac{29}{8}$ b. $x>\frac{29}{8}$ C. $x<-\frac{29}{8}$ d. $x<\frac{29}{8}$

📝 Answered - Sqrt 13 rounded to two decimal points

📝 Answered - Which function has the given properties below? The domain is the set of all real numbers. One $x$-intercept is $\left(\frac{\pi}{2}, 0\right)$. The maximum value is 3. The $y$-intercept is $(0,-3)$. A. $y=-3 \sin (x)$ B. $y=-3 \cos (x)$ C. $y=3 \sin (x)$ D. $y=3 \cos (x)$

📝 Answered - Which of the following is equivalent to $(5)^{\frac{7}{3}}$? A. $5^{-4}$ B. $5^4$ C. $\sqrt[7]{5^3}$ D. $\sqrt[3]{5^7}$

📝 Answered - A mason mixes 42 kilograms of mortar. Each kilogram of mortar mix requires 0.03 liters of water. Rounded to the nearest tenth, how many liters of water are required? Select one: a. 1.2 liters b. 1.3 liters c. 12.6 liters d. 13.2 liters

📝 Answered - What is the vertex of the graph of $f(x)=|x+5|-6$? A. $(-6,-5)$ B. $(-6,5)$ C. $(-5,-6)$ D. $(5,-6)$

📝 Answered - Which equation below represents a linear function? [tex]y=x^2-7[/tex] [tex]y=\frac{1}{x}+7[/tex] [tex]y=x-7[/tex] [tex]y=|x|+7[/tex]