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Questions in Grade College

[Done] Ultraviolet rays may be used to treat all of the following except: A. acne B. a sluggish metabolism C. seborrhea D. dandruff conditions

[Done] The secondary agencies of socialization do not include the A. school B. family C. community D. church

[Done] Calculating Binomial Probabilities Mrs. Chauvet has an unfair number cube that lands with 6 facing up [tex]$40 \%$[/tex] of the time. Let [tex]$X=$[/tex] the number of times that she rolls a 6 among 3 trials. What is [tex]$P(X=3)$[/tex] ? Enter your answer to 3 decimal places. Recall: [tex]$P(X=k)=\binom{n}{k} p^k(1-p)^{n-k}$[/tex] [tex]$P(X=3)= \square$[/tex]

[Done] Choose the solution to the equation. $-\frac{1}{4} \pm \frac{\sqrt{33}}{4}$ $-\frac{1}{2} \pm \frac{\sqrt{33}}{4}$ $\frac{1}{4} \pm \frac{\sqrt{33}}{4}$

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

[Done] Elijah and Aneesha are farmers. Each one owns an 18-acre plot of land. The following table shows the amount of watermelon and zucchini each farmer can produce per year on a given acre. Each farmer chooses whether to devote all acres to producing watermelon or zucchini or to produce watermelon on some of the land and zucchini on the rest. Elijah & 28 & 7 \ Aneesha & 18 & 6 \ Elijah has an absolute advantage in the production of watermelon, and Aneesha has an absolute advantage in the production of zucchini. Elijah's opportunity cost of producing 1 pound of zucchini is [ ] pounds of watermelon, whereas Aneesha's opportunity cost of producing 1 pound of zucchini is [ ] pounds of watermelon. Because Elijah has a [ ] opportunity cost of producing zucchini than Aneesha, [ ] has a comparative advantage in the production of zucchini, and [ ] has a comparative advantage in the production of watermelon.

[Done] Select the correct answer. Which statement is true about this equation? [tex]$3(-y+7)=3(y+5)+6$[/tex] A. The equation has one solution, [tex]$y=0$[/tex]. B. The equation has one solution, [tex]$y=-1$[/tex]. C. The equation has no solution. D. The equation has infinitely many solutions.

[Done] Select all the correct answers. Which expressions are equivalent to the given expression? [tex]$y^{-8} y^3 x^0 x^{-2}$[/tex] [tex]$x^2 y^{-11}$[/tex] [tex]$\frac{1}{x^2 y^5}$[/tex] [tex]$\frac{x^2}{y^{11}}$[/tex] [tex]$y^{-24}$[/tex] [tex]$\frac{1}{y^{24}}$[/tex] [tex]$x^{-2} y^{-5}$[/tex]

[Done] What is the radius for the circle given by the equation $x^2+(y-1)^2=12$? Round your answer to the nearest thousandth.

[Done] Which of the following is the inverse of [tex]$y=12^x$[/tex]? A. [tex]$y=\log _{\frac{1}{12}} x$[/tex] B. [tex]$y=\log _{12} \frac{1}{x}$[/tex] C. [tex]$y=\log _x 12$[/tex] D. [tex]$y=\log _{12} x$[/tex]