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In **Mathematics** / **College** | 2025-08-20

[Answered] The first two steps in the derivation of the quadratic formula by completing the square are: Step 1: [tex]$a x^2+b x+c=0$[/tex] Step 2: [tex]$a x^2+b x=-c$[/tex] Which answer choice shows the correct next step? A. [tex]$a x+b=\frac{-c}{x}$[/tex] B. [tex]$a x^2+b x+\frac{b^2}{4}=-c+\frac{b^2}{4}$[/tex] C. [tex]$x^2+\frac{b}{a} x=\frac{-c}{a}$[/tex] D. [tex]$x^2+\frac{b}{a} x=-c$[/tex]

In **Mathematics** / **College** | 2025-08-20

[Answered] The four diagonals of a cube are drawn to create 6 square pyramids with the same base and height. The volume of the cube is $(b)(b)(b)$. The height of each pyramid is $h$. Therefore, the volume of one pyramid must equal one-sixth the volume of the cube, or A. $\frac{1}{6}(b)(b)(2 h)$ or $\frac{1}{3} B h$. B. $\frac{1}{6}(b)(b)(6 h)$ or $B h$. C. $\frac{1}{3}(b)(b)(6 h)$ or $\frac{1}{3} B h$. D. $\frac{1}{3}(b)(b)(2 h)$ or $\frac{2}{3} B h$.

In **English** / **College** | 2025-08-20

[Answered] Circle the adjective in the sentence. I broke the yellow pencil.

In **Mathematics** / **College** | 2025-08-20

[Answered] Evaluate [tex]$-a^2-2 b c-|c|$[/tex] if [tex]$a=-2, b=3$[/tex], and [tex]$c=-3$[/tex].

In **English** / **College** | 2025-08-20

[Answered] Which elements does strong narrative writing always contain? Check all that apply. A. a connection to an outline B. a series of steps C. a clear point of view D. a set of directions E. a description of events

In **Mathematics** / **High School** | 2025-08-20

[Answered] [tex]\frac{1}{2} x-4\ \textless \ 3[/tex]

In **Physics** / **High School** | 2025-08-20

[Answered] The table shows data for a car stopping on a wet road. \begin{tabular}{|c|c|} \hline$v$ & $d$ \\ \hline 20 & 38 \\ \hline 30 & 86 \\ \hline 40 & 153 \\ \hline \end{tabular} Stopping distance formula [tex]d(v)=\frac{2.15 v^2}{64.4 f}[/tex] To determine the value of [tex]f[/tex], substitute a pair of values for [tex]d[/tex] and [tex]v[/tex] into the equation and solve. Round to the nearest hundredth.

In **History** / **High School** | 2025-08-20

[Answered] What was notable about Native Americans who lived in the Great Plains? A. Their economy was based on agriculture. B. Their economy was based on trade. C. They worshipped many gods. D. They hunted buffalo.

In **Mathematics** / **College** | 2025-08-20

[Answered] Draw the number line model and find the quotient [tex]$5 \div \frac{2}{3}$[/tex]

In **Social Studies** / **College** | 2025-08-20

[Answered] What is the difference between a conflict based on a power struggle and a conflict based on a personality difference?