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Questions in Grade College

[Free] Acidity \begin{tabular}{|l|c|c|c|} \cline { 2 - 4 } \multicolumn{1}{c|}{} & Liters & \begin{tabular}{c} Acid \\Concentration \end{tabular} & Total \\ \hline X 5 Acid & 4 & x & \\ \hline 40 \% Acid & 10 & 0.40 & 4 \\ \hline Mixture & 14 & 0.30 & \\ \hline \end{tabular} What is the value of [tex]$x$[/tex], the acid concentration of the first solution? A. 0.05 B. 0.10 C. 0.15 D. 0.20

[Free] Determine the constant difference for each sequence. | Sequence | Constant Difference | |---|---| | [tex]12,17,22[/tex] | | | [tex]102,85,68[/tex] | | | [tex]\frac{1}{4}, 1, \frac{7}{4}[/tex] | |

[Free] English trading posts in Asia included posts in Bombay, Madras, and Calcutta, all cities in which modern country? A. Indonesia B. China C. Saudi Arabia D. India

[Free] The temperature of a mug of hot chocolate in degree Fahrenheit is given by [tex]H(t)=70+100(0.819)^t[/tex] where [tex]t[/tex] is the time, in minutes, after it is prepared. a. Find [tex]H(2)[/tex] and interpret your answer in the context of this problem. b. What is an appropriate domain for this situation? Explain. [tex][0, \infty][/tex] c. What is an appropriate range for this situation? Explain.

[Free] Taden has found a table of the atmospheric layers of the Sun. However, he can't make out the names of the layers in the chart. [tex] \begin{tabular}{|l|l|l|l|} \hline & \multicolumn{1}{|c|}{ A } & \multicolumn{1}{c|}{ B } & \multicolumn{1}{c|}{ C } \\ \hline Position & Lowest & Middle & Outermost \\ \hline Thickness & 100 km & 2000 km & Millions of kilometers \\ \hline Temperature & 5,500 & 6,000 to 20,000 & $2,000,000$ \\ \hline \end{tabular} [/tex] What are the names of the Sun's layers described in columns A, B, and C? A. Corona; B: Photosphere; C: Chromosphere B. Core; B: Chromosphere; C: Photosphere C. Chromosphere; B: Corona; C: Core D. Photosphere; B: Chromosphere; C: Corona

[Free] Using the quadratic formula to solve [tex]$5 x=6 x^2-3$[/tex], what are the values of [tex]$x$[/tex]? A. [tex]$\frac{5 \pm 3 \sqrt{11}}{12}$[/tex] B. [tex]$\frac{5 \pm \sqrt{97}}{12}$[/tex] C. [tex]$\frac{5 \pm \sqrt{47}}{12}$[/tex] D. [tex]$\frac{-5 \pm \sqrt{97}}{12}$[/tex]

[Free] Formal operational messages are usually written by: A. subordinates to report problems to executives B. executives to guide company policies C. employees for the public D. employees for their coworkers

[Free] Food affects the way we preserve, process, package, and distribute food. A. price B. popularity C. nutrition D. technology

[Free] What was true of the first settled communities in Ancient America? A. They developed egalitarian social relations B. They practiced slash and burn agriculture C. It led to increasing pastoralism D. It led to increasing urbanization

[Free] Describe the sequence of transformations that are required to graph [tex]g(x)=3 \sqrt{x+9}-15[/tex] based on [tex]f(x)=\sqrt{x}[/tex].