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Questions in Grade College

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

[Jawaban] Simplify the following numerical expressions: (a) $30+4 \div 2+5-1 \times 3$ (b) $42+(2 \times 16 \div 2)-1$ (c) $12-[3+\{7-(4+1)\}]$

[Jawaban] I have a right triangle whose base is P, whose lay off side is five, and whose hypotenuse is P plus one. Solve for P.

[Jawaban] Find the fifth term in the geometric sequence, given the first term and the common ratio. [tex] \begin{array}{c} a_1=243 \text { and } r=\frac{1}{3} \ a_5=[?] \end{array} [/tex]

[Jawaban] Which equation represents a circle with a center at $(2,-8)$ and a radius of 11? $(x-8)^2+(y+2)^2=11$ $(x-2)^2+(y+8)^2=121$ $(x+2)^2+(y-8)^2=11$ $(x+8)^2+(y-2)^2=121

[Jawaban] Which of the following describes the dimensions of matrix A? [tex]A=\left[\begin{array}{ll}a_{11} & a_{12} \\ a_{21} & a_{22} \\ a_{31} & a_{23}\end{array}\right][/tex] A. [tex]2 \times 3[/tex] B. [tex]6 \times 1[/tex] C. [tex]3 \times 2[/tex] D. [tex]3 \times 3[/tex]

[Jawaban] Find the slope of the line that contains (-1, 9) and (9, 9). A. 10 B. 0 C. undefined D. 9/5

[Jawaban] The following table shows the expansion expenses of a business. Calculate the product growth costs of expansion. | | | | :------------------- | :---------------------------- | | **Expansion Expenses** | | | **Product Growth** | | | Focus Groups | 40 people at $150/person | | Inventory Expenses | 20% on $220,000 value | | New Equipment | $205,000 | | **Building Growth** | | | Architect | $13,000 | | Attorneys | $52,000 | | Bankers | $100,000 | Product Growth Costs = $[?]

[Jawaban] What is the purpose of the crankcase ventilation heater? A. To prevent formation of ice at the crankcase ventilation tube intake connection B. To improve engine efficiency and performance C. To speed up the separation of oil from the crankcase gases D. To route crankcase vapors into the air intake system more quickly

[Jawaban] You are caring for Maura, age 17. Based on her height and weight, Maura's BMI is 16.4, and she is underweight. Based on your knowledge of developmental considerations, what is an appropriate question to ask her? A. "What do you think about your body and your weight?" B. "Do you have an eating disorder?" C. "Why aren't you eating enough food?" D. "Does your mother cook dinner for you?"