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Questions in Grade College

[Answered] Suppose a triangle has sides [tex]$a, b$[/tex], and [tex]$c$[/tex], and that [tex]$a^2+b^2 < c^2$[/tex]. Let [tex]$\theta$[/tex] be the angle opposite side [tex]$c$[/tex]. Which of the following statements is true? A. The triangle is not a right triangle. B. [tex]$\cos \theta<0$[/tex] C. [tex]$a^2+b^2-c^2=2 a b \cos \theta$[/tex] D. [tex]$\cos \theta>0[/tex]

[Answered] [tex]\left[\frac{8}{125}\right]^{\frac{1}{3}}[/tex]

[Answered] Consider this argument as part of a persuasive speech about bringing more students to MSUM: Creating more scholarships will attract more students, solving our problem of declining enrollment. Which part of the Motivated Sequence does this point relate to? A) Attention B) Need C) Satisfaction D) Visualization

[Answered] What rotation about the origin is equivalent to [tex]R_{-200} \cdot[/tex] ? A. [tex]R_{160}[/tex] B. [tex]R_{200}[/tex] C. [tex]R_{-160}[/tex] D. [tex]R_{560}[/tex]

[Answered] A parabola has the focus at $(4,6)$ and the directrix $y=-6$. Which equation represents this parabola? $(x-4)^2=24 y$ $(x-4)^2=\frac{1}{24} y$ $(x-4)^2=-24 y$ $(x-4)^2=-\frac{1}{24} y

[Answered] Simplify $100-\sqrt{36}+3$

[Answered] \frac{8 y^2+4 y}{2 y}=

[Answered] Which of the following matrices does not have an inverse? [tex]\left[\begin{array}{ll}8 & 4 \\ 4 & 2\end{array}\right][/tex] [tex]\left[\begin{array}{cc}8 & -4 \\ 2 & 1\end{array}\right][/tex] [tex]\left[\begin{array}{ll}4 & 0 \\ 0 & 1\end{array}\right][/tex] [tex]\left[\begin{array}{cc}2 & 2 \\ -2 & 2\end{array}\right][/tex]

[Answered] How many times does the graph of $4x = 32 - x^2$ cross the $x$-axis?

[Answered] A business unit that usually generates more than it needs to maintain its market share is called a(n) A. star B. cash cow C. problem child D. dog E. independent in the portfolio matrix.