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Questions in Grade College

📝 Answered - To solve $49^{3 x}=343^{2 x+1}$, write each side of the equation in terms of base $\square$.

📝 Answered - Solve the inequality: $-2 x>-6$ A. $x>-3$ B. $x<3$ C. $x<-3$ D. $x>3$

📝 Answered - What is most likely to result immediately after a rainforest in Brazil is clear-cut? A. secondary succession B. primary succession C. a climax community D. increased biodiversity

📝 Answered - What are the solutions of $8 x^2=6+22 x$ ? Choose two correct answers. A. $x=3$ B. $x=-3$ C. $x=-\frac{1}{4}$ D. $x=6

📝 Answered - Which equation represents a circle that contains the point $(-5,-3)$ and has a center at $(-2,1)$? Distance formula: $\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$ A. $(x-1)^2+(y+2)^2=25$ B. $(x+2)^2+(y-1)^2=5$ C. $(x+2)^2+(y-1)^2=25$ D. $(x-1)^2+(y+2)^2=5

📝 Answered - What is the region of a mature bone between the diaphysis and epiphysis called? A. metaphysis B. articular cartilage C. medullary cavity D. periosteum

📝 Answered - Use the half-angle identities to evaluate [tex]$\cos 22.5^{\circ}$[/tex] exactly. Which half-angle formula should be used to find the exact value of [tex]$\cos 22.5^{\circ}$[/tex]? Select the correct choice below and fill in the answer boxes to complete (Do not include the degree symbol in your answers.) A. [tex]$\cos 22.5^{\circ}=\cos \frac{\square^{\circ}}{2}=-\sqrt{\frac{1+\cos \square^{\circ}}{2}}$[/tex] B. [tex]$\cos 22.5^{\circ}=\cos \frac{\square^{\circ}}{2}=\sqrt{\frac{1-\cos \square^{\circ}}{2}}$[/tex] C. [tex]$\cos 22.5^{\circ}=\cos \frac{\square^{\circ}}{2}=\sqrt{\frac{1+\cos \square^{\circ}}{2}}$[/tex] D. [tex]$\cos 22.5^{\circ}=\cos \frac{\square^{\circ}}{2}=-\sqrt{\frac{1-\cos \square^{\circ}}{2}}$[/tex]

📝 Answered - During this DQ I want you to do some research into Building Thinking Classrooms (BTS). It's the newest craze for teachers and students to help promote more flexible ways of learning. I would like you to explain BTS: what it is, how it works, and why is it becoming so popular?

📝 Answered - Which of the following items are tools to give increments of time places of their own in our days? A. Lists B. Piles of clutter C. Calendars and schedules D. Routines

📝 Answered - The speech and science clubs at a high school are planning fundraisers for a local nonprofit organization. This system of linear equations represents the total estimated amount each club will raise, $y$, after $x$ days of the fundraiser. [tex] \begin{array}{l} y=120 x-150 \\ y=90 x \end{array} [/tex] Open the graphing tool and use it to solve the system of equations. Type the correct answer in each box. Use numerals instead of words. The solution to the system of equations is ( $\square$ , $\square$ ).