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Questions in Grade High-school

[Terjawab] Solve the quadratic equation: [tex]x^2-2 x+6=0[/tex] A. [tex]x=2 \pm \sqrt{20}[/tex] B. [tex]x=2 \pm \sqrt{28}[/tex] C. [tex]x=-2 \pm \sqrt{28}[/tex] D. no real solution

[Terjawab] $7 \sqrt{3}-2 \sqrt{2}+3 \sqrt{2}+5 \sqrt{3}$

[Terjawab] Which represents the solution of $-9.5+6 x \geq 42.1$ using interval notation? A. ( $8.6, \infty$ ) B. [8.6, $\infty$ ) C. ( $\infty, 8.6$ ) D. ( $\infty, 8.6$ ]

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

[Terjawab] This table shows how many male and female students attended two different movies. What is the probability that a randomly chosen person from this group is female? Round your answer to two decimal places. \begin{tabular}{|l|c|c|c|} \hline & Action & Drama & Total \\ \hline Male & 105 & 124 & 229 \\ \hline Female & 99 & 151 & 250 \\ \hline Total & 204 & 275 & 479 \\ \hline \end{tabular} A. 0.25 B. 0.21 C. 0.52 D. 0.43

[Terjawab] The First Amendment guarantees A. due process of law. B. religious freedom. C. the right to a fair trial. D. the right to bear arms.

[Terjawab] Metal Company incurred the following costs during the current year: - Laboratory research aimed at discovery of new knowledge: $750,000 - Design of tools, jigs, molds and dies involving new technology: $220,000 - Quality control during commercial production, including routine testing: $350,000 - Equipment acquired two years ago, having an estimated useful life of five years with no residual value, used in various R and D projects: $1,500,000 - Research and development services performed by Stone Company for Metal Company: $230,000 - Research and development services performed by Metal Company for Sand Company: $20,000 What amount of research and development expense should be reported in the current year? a. $1,200,000 b. $1,500,000 c. $1,870,000 d. $2,170,000

[Terjawab] What is a decibel (dBspl)? (A) A type of signal distortion (B) A mathematical constant (C) A measure of sound intensity (D) A unit of frequency

[Terjawab] Which of the following scenarios best illustrates the principle of separation of duties? A. A single individual is responsible for both creating and auditing user access requests. B. One team member assigns user access requests, while another team member reviews audit logs of account activities. C. All employees in a department share the same administrative account for convenience. D. A manager has unrestricted access to all system logs and user accounts.

[Terjawab] Which of these habitat zones might students explore on-site? - Arctic Tundra - Alpine Mountains - Tropical Rainforest - Deep Ocean