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Questions in Grade College

[Jawaban] The doubling period of a bacterial population is 20 minutes. At time [tex]$t=110$[/tex] minutes, the bacterial population was 90000. What was the initial population at time [tex]$t=0$[/tex]? Find the size of the bacterial population after 5 hours.

[Jawaban] Which of the following choices is something a teacher can do to establish a better listening environment? A. Limit the number of listening experiences. B. Avoid visual aids so that children must use listening skills. C. Attend to children's physical needs. D. Avoid routines because they cause children to lose interest.

[Jawaban] Solve $-\frac{x}{3} \geq 5$. A. $x \geq 15$ B. $x \leq-15$ C. $x \geq-15$ D. $x \leq 15$

[Jawaban] Rationalize the denominator and simplify. $\sqrt{\frac{3}{2}}$

[Jawaban] For [tex]f(x)=x^2+12[/tex] and [tex]g(x)=x^2-12[/tex] find the following. a. [tex](f \circ g)(x)[/tex] b. [tex](g \circ f)(x)[/tex] c. [tex](f \circ g)(2)[/tex] a. What is [tex](f \circ g)(x)[/tex]? [tex](f \circ g)(x)=[/tex] $\square$ (Simplify your answer.)

[Jawaban] What is the best time to trim an individual's nails? A. Before bathing or soaking B. After an appointment with the podiatrist C. Before an appointment with the podiatrist D. Right after bathing or soaking nails

[Jawaban] How long will it take to accumulate R1,5 million from R2500 monthly invested at $12\%$ p.a. monthly?

[Jawaban] Which of the following are the 3 principles of Radiation Protective Practice? A. Time, Distance, Shielding B. Signage, Distancing, Screening C. Access, Signage, Screening D. Protection, Screening, Cooling

[Jawaban] Express in scientific notation: $\frac{\left(4 \times 10^5\right)\left(6 \times 10^{23}\right)}{1.2 \times 10^2}=$ A. $10 \times 10^{26}$ B. $20 \times 10^{26}$ C. $2 \times 10^{27}$

[Jawaban] What is the presentation for a hot vanilla soufflé? A. Topped with spun sugar. B. Glazed with Italian meringue. C. Decorated with whipped cream. D. Dusted with icing (powdered) sugar.