Questions in Grade College

Questions in Grade College

[Answered] From 1980 through 1990, the population of Country X increased by [tex]$100 \%$[/tex]. From 1990 to 2000, the population increased by [tex]$50 \%$[/tex]. What was the combined increase for the period 1980-2000? (A) [tex]$150 \%$[/tex] (B) [tex]$166 \frac{2}{3} \%$[/tex] (C) [tex]$175 \%$[/tex] (D) [tex]$200 \%$[/tex]

[Answered] Choose all the conditions in which nerve and muscle cells become less excitable: A. Hypokalemia B. Rapid-onset hyperkalemia C. Slow-onset hyperkalemia

[Answered] Complete the following multiplication and division calculations involving fractions (show all the steps). 4.1.1. [tex]$\frac{4}{6} \div \frac{3}{12}$[/tex] 4.1.2. [tex]$\frac{7}{9} \times \frac{4}{28}$[/tex] 4.1.3. [tex]$4 \frac{1}{6} \times 6 \frac{2}{5}$[/tex] 4.1.4. [tex]$\frac{3}{17}+6$[/tex]

[Answered] What are the domain and range of [tex]f(x)=\log x-5[/tex]? A. domain: [tex]x\ \textgreater \ 0[/tex]; range: all real numbers B. domain: [tex]x\ \textless \ 0[/tex]; range: all real numbers C. domain: [tex]x\ \textgreater \ 5[/tex]; range: [tex]y\ \textgreater \ 5[/tex] D. domain: [tex]x\ \textgreater \ 5[/tex]; range: [tex]y\ \textgreater \ -5[/tex]

[Answered] B) -11 C) -7 Solve the rational inequality: $\frac{3 x+12}{x-6} \geq 0$ B) $(-\infty$, $\cup(6, \infty)$ D) $(-\infty$, Find the multiplicity of each zero of $p(x)=5 x^6(x+2)^7(x-3)^7$

[Answered] The ice skating rink charges an hourly fee for skating and $3 to rent skates for the day. Gillian rented skates and skated for 3 hours and was charged $21. Which equation represents the cost, $c(x)$, of ice skating as a function of $x$, the number of hours of skating? A. $c(x)=3 x+3$ B. $c(x)=6 x+3$ C. $c(x)=7 x+3$ D. $c(x)=8 x+3

[Answered] Patricia is meeting with James and Cindy, potential buyers of a listing. They are in the office to make an offer when James says, "The only thing that bothers me are those black spots on the ceiling in the bathroom. Do you think that could be the bad kind of mold? It's not dangerous, is it?" What should Patricia do? A. Refer James and Cindy to a qualified mold professional. B. Tell them not to worry about it. C. Tell them that she will personally go out and clean it up. D. Tell them they could probably clean it up with a little bleach.

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

[Answered] The table shows the number of flowers in four bouquets and the total cost of each bouquet. Cost of Bouquets | Number of flowers in the bouquet | Total cost | |---|---| | 8 | $12 | | 12 | $40 | | 6 | $15 | | 20 | $20 | What is the correlation coefficient for the data in the table? A. -0.57 B. -0.28 C. 0.28 D. 0.57

[Answered] Why is a sonnet an effective way for Romeo and Juliet to speak when they first meet? Write two to three sentences explaining your answer.