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Questions in Grade High-school

[Homework Help] The first step in creating an argumentative essay is A. developing an opinion. B. finding evidence. C. forming a claim. D. choosing evidence.

[Homework Help] An amusement park is designing a new flag for its entrance. The new flag is in the shape of a parallelogram with a base of $8 \frac{3}{4}$ feet and a height of $5 \frac{1}{2}$ feet. What is the area of the new flag? A. $14 \frac{1}{4}$ square feet B. $24 \frac{1}{4}$ square feet C. $28 \frac{1}{2}$ square feet D. $48 \frac{1}{8}$ square feet

[Homework Help] 20) 13.74 L of hydrogen gas at [tex]$30.0^{\circ} C$[/tex] and 801 torr and 6.55 L of oxygen gas at [tex]$25^{\circ} C$[/tex] and 801 torr are drawn into a cylinder where the following reaction takes place. [tex]$2 H_{2(g)}+O_{2(g)} \rightarrow 2 H_2 O_{(g)}$[/tex] a. How many grams of water could be produced in this reaction? b. What is the limiting reactant? c. If 8.7 g of water are produced, what is the percent yield?

[Homework Help] A graph of gas pressure versus the number of particles in a container is a straight line. Which other have a similar graph? A. volume versus pressure, because they are also directly proportional B. volume versus temperature, because they are also directly proportional C. volume versus pressure, because they are also inversely proportional D. volume versus temperature, because they are also inversely proportional

[Homework Help] Julian is trying to decide on a future career. He has narrowed down his choices to orthodontist, sound engineering technician, police officer, or editor. The following table represents the total employment numbers for 2006 and projected employment numbers for 2016. \begin{tabular}{|l|l|l|l|l|} \hline & Orthodontist & Sound engineer technician & Police officer & Editor \\ \hline 2006 & 9,206 & 16,125 & 648,982 & 122,273 \\ \hline 2016 & 10,214 & 17,864 & 719,041 & 124,135 \\ \hline & & & & \\ \hline \end{tabular} Which profession is projected to have the greatest percent of increase in the number of jobs from 2006 to 2016? A. Orthodontist B. Sound engineer technician C. Police officer D. Editor

[Homework Help] The table below shows the relationship between the number of neon tetras and snails in a fish tank. \begin{tabular}{|c|c|c|c|c|} \hline \begin{tabular}{c} Neon \\ Tetras \end{tabular} & 12 & 24 & 36 & 48 \\ \hline Snails & 3 & 6 & 9 & 12 \\ \hline \end{tabular} In a complete sentence, explain how the amounts of neon tetras and snails are related to each other.

[Homework Help] What is the factored form of the function [tex]$f(x)=x^3+7 x^2+8 x-16$[/tex]? Enter your answer by filling in the boxes. [tex]$f(x)=(\square)(\square)(\square)$[/tex]

[Homework Help] Again, the quarterback throws the football, but this time the model [tex]y=-16 x^2+35 x+6.5[/tex] describes the height ([tex]y[/tex]), in feet, of the football [tex]x[/tex] seconds after it is thrown. If the ball is not caught, how long will it be in the air? [tex] \begin{array}{l} 0=-16 x^2+35 x+6.5 \\ x=\frac{-35 \pm \sqrt{35^2-4(-16)(6.5)}}{2(-16)} \end{array} [/tex] Rounded to the nearest tenth, the solutions of the equation are $\square$

[Homework Help] Composing Inverse Functions [tex]f(x)=\frac{1}{2} x[/tex] and [tex]f^{-1}(x)=2 x[/tex] [tex]\begin{array}{l} =1 \\ (1)=2 \\ (f(2))=2 \end{array}[/tex] [tex]\begin{array}{l} f^{-1}(-2)=\square \\ f(-4)=\square \\ f\left(f^{-1}(-2)\right)=\square \end{array}[/tex]

[Homework Help] Solve the following system of inequalities graphically on the set of axes below. [tex] \begin{array}{l} y\ \textless \ -x+1 \ y \leq \frac{1}{2} x+7 \end{array} [/tex]