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Questions in Grade College

📝 Answered - The hypotenuse of a $45^{\circ}-45^{\circ}-90^{\circ}$ triangle measures $7 \sqrt{2}$ units. What is the length of one leg of the triangle? A. 7 units B. $7 \sqrt{2}$ units C. 14 units D. $14 \sqrt{2}$ units

📝 Answered - Find the volume of revolution generated by revolving the region between [tex]y=x^2[/tex] and [tex]y=2x[/tex] about the x-axis. A. [ ] [tex]\frac{63}{15} \pi[/tex] B. [ ] [tex]-\frac{63}{5} \pi[/tex] C. [ ] [tex]\frac{64}{5} \pi[/tex] D. [ ] [tex]\frac{64}{15} \pi[/tex]

📝 Answered - Subtract. $\frac{1}{x+7}-\frac{3}{x-7}$ A. $-\frac{2 x+28}{x^2-49}$ B. $\frac{4 x+14}{x^2-49}$ C. $-\frac{2}{x-7}$ D. $\frac{2}{x-7}$

📝 Answered - How many moles of [tex]$O_2$[/tex] gas react with 2 moles of NO gas according to the following balanced chemical equation? [tex]2 NO(g)+O_2(g) \longrightarrow 2 NO_2(g)[/tex] A. [tex]$2 mol O_2$[/tex] B. [tex]$4 mol O_2$[/tex] C. [tex]$1 mol O_2$[/tex] D. [tex]$0.5 mol O_2$[/tex] E. none of the above

📝 Answered - An open box is made of wood 5 cm thick. Its external dimensions are 2.55 m, 2.15 m and 1.05 m. What is the total cost of painting the inner surface of the box at ₹100 per cm2?

📝 Answered - Which risk factor can be controlled to prevent an injury?

📝 Answered - Which table represents the graph of a logarithmic function in the form $y=\log _b x$ when $b>1$?

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

📝 Answered - Shared responsibility is a core concept of which domain? A. Asset valuation and control B. Network and data protection C. Risk assessment and risk management D. Security architecture and engineering

📝 Answered - Is it necessary to wash your hands before wearing or changing disposable gloves since your hands will be covered by the gloves?