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Questions in Grade High-school

[Homework Help] $0.5(16-4x) = -0.25(6x-48)$

[Homework Help] Solve the equation. Check the solution. [tex]$\frac{1}{4}(4 x-1)=-\frac{1}{7}-\frac{2}{7}$[/tex] [tex]$x=$[/tex] $\square$ (Simplify your answer.)

[Homework Help] Which of the following shows an example of an in-school opportunity for physical activity? A. Helping a teacher grade papers B. Shopping with friends C. Running a community marathon D. Using the gym for weight training

[Homework Help] Which chemical reaction involves the production of a gas? 1. [tex]2 Li ( s )+ F _2(g) \rightarrow 2 LiF ( s )[/tex] 2. [tex]Zn ( s )+2 HCl ( aq ) \rightarrow H _2(g)+ ZnCl _2( aq )[/tex] 3. [tex]HNO _3( I )+ H _2 O ( l ) \rightarrow H _3 O ^{+}( aq )+ NO _3{ }^{-}( aq )[/tex] 4. [tex]K _2 CrO _4( aq )+ Ba \left( NO _3\right)_2( aq ) \rightarrow BaCrO _4(s)+2 KNO _3( aq )[/tex]

[Homework Help] For the function [tex]$f(x)=-3 x+3$[/tex] find [tex]$f(0)$[/tex].

[Homework Help] Animation skills include all of the following, except which? a. layering b. sketching c. drawing d. acting

[Homework Help] Get a slanting crease on the paper. Now, try to get another crease that is perpendicular to the slanting crease. a. How many right angles do you have now? Justify why the angles are exact right angles. b. Describe how you folded the paper so that any other person who doesn't know the process can simply follow your description to get the right angle.

[Homework Help] A $1,628 g$ sample of a hydrate magnesium iodide is heated until its mass is reduced to $1,072 g$ and all water has been removed. What is the formula of the hydrate? (MgI $\cdot x_{ H _2 O }$ )

[Homework Help] First, use the property for the power of a quotient. $\left(\frac{3}{4^5}\right)^2=\begin{array}{|l|} \hline ? \\ \frac{3^2}{4^2} \\ \frac{3^2}{4^5} \\ \frac{3^2}{\left(4^5\right)^2} \\ \frac{3}{\left(4^5\right)^2} \\ \hline \end{array}$

[Homework Help] Two people quit work and begin college at the same time. Their salary and education information is given in the table below. \begin{tabular}{|l|l|l|l|l|} \hline & Salary prior to school & Years attending college & Total cost of college & Salary upon graduating \\ \hline Person A & $18,000 & 3 & $45000 & $33,000 \\ \hline Person B & $27,000 & 4 & $30,000 & $37,000 \\ \hline & & & & \\ \hline \end{tabular} Choose the true statement. a. Person A recovers their investment in a shorter amount of time. b. Person B recovers their investment in a shorter amount of time. c. They recover their investments in the same amount of time. d. There is too little information to compare the time to recover their investments.