Questions in mathematics

Questions in mathematics

📝 Answered - Solve $\sqrt{2 y+9}=9$. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution is $y=$ $\square$ . (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) B. There is no solution.

📝 Answered - If [tex]$-5 \sin \theta=4$[/tex] and [tex]$\theta \in (90,270)$[/tex], determine, without the use of a calculator and with the aid of a diagram, the value of (1) [tex]$5 \cos \theta-3 \tan \theta$[/tex] (2) [tex]$\frac{4}{\sin \theta}-\frac{3}{\cos \theta}$[/tex]

📝 Answered - Listen Find the sum: [tex]$\frac{3 x}{x^2-x-12}+\frac{x+1}{2 x+6}$[/tex] A) [tex]$\frac{(x+2)(x-2)}{(x-4)(x+3)}$[/tex] B) [tex]$\frac{4 x+1}{2(x-4)(x+3)}$[/tex] C) [tex]$\frac{(x+4)(x-1)}{2(x-4)(x+3)}$[/tex]

📝 Answered - Given a right pyramid with base area [tex]$B$[/tex] and height [tex]$h$[/tex], what does [tex]$\frac{1}{3} B h$[/tex] represent? A. Cross-sectional area B. Cross-sectional volume C. Surface area D. Volume

📝 Answered - 227. Simplify $9 m^3 y^2 \div 3 m^2 y$ 228. Simplify $\frac{15 m^2+7 m^2-4 m^2}{9 m^2-3 m^2}$ 229. Find $x$ in $10-2 x=-18$

📝 Answered - Give the approximate of the measurement to the nearest kilogram: [tex]$103725.4 g$[/tex]

📝 Answered - Form a fifth-degree polynomial function with real coefficients such that [tex]$2 i, 1-i$[/tex], and 1 are zeros and [tex]$f(0)=-24$[/tex]. [tex]$f(x)= \square$[/tex] (Simplify your answer. Type an expression using [tex]$x$[/tex] as the variable.)

📝 Answered - What is [tex]$\frac{5}{6}$[/tex] of 5,400?

📝 Answered - Which expression is equivalent to $\log _3 \frac{c}{9} ?$ $\log _3 c+\log _3(9)$ $\log _3(9)+\log _3(c)$ $\log _3 c-\log _3(9)$ $\log _3(9)-\log _3(c)$

📝 Answered - Solve the following inequality: [tex]x \geq x-2(x+10)-7.5[/tex]