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Questions in Grade High-school

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - The standard form of the equation of a parabola is $y=7 x^2+14 x+4$. What is the vertex form of the equation? A. $y=7(x+2)^2+3$ B. $y=7(x+2)^2-3$ C. $y=7(x+1)^2-3$ D. $y=7(x+1)^2+3$

📝 Answered - Find [tex]$\sin (A)$[/tex] if [tex]$\cos (A)=0.4$[/tex] Round to the nearest ten-thousandth (four decimal places).

📝 Answered - What is the factorization of the trinomial below? [tex]x^3-12 x^2+35 x[/tex] A. [tex](x-7)(x+5)[/tex] B. [tex](x^2-7)(x+5)[/tex] C. [tex]x(x-7)(x+5)[/tex] D. [tex]x(x-7)(x-5)[/tex]

📝 Answered - Mexico's leaders believed that a constitution would provide stability after the revolution by A. opening up land for foreign investment. B. guaranteeing single-party rule. C. promoting democratic reforms. D. protecting the rights of corporations.

📝 Answered - Select the correct answer. In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction? A. Energy is absorbed in the reaction. B. Energy is released in the reaction. C. No energy is transferred in the reaction. D. Energy is created in the reaction. E. Energy is lost in the reaction.

📝 Answered - What percentage of job openings are published? A. 10%-15% B. 15%-20% C. 30%-35% D. 35%-40%

📝 Answered - z = (9x - 4y)^4. Find the derivative.

📝 Answered - The point-slope form of the equation of the line that passes through $(-5,-1)$ and $(10,-7)$ is $y+7=-\frac{2}{5}(x-10)$. What is the standard form of the equation for this line? A. $2 x-5 y=-15$ B. $2 x-5 y=-17$ C. $2 x+5 y=-15$ D. $2 x+5 y=-17$