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Questions in Grade High-school

[Terjawab] Which classification best represents a triangle with side lengths 10 in., 12 in., and 15 in.? A. acute, because [tex]$10^2+12^2\ \textgreater \ 15^2$[/tex] B. acute, because [tex]$12^2+15^2\ \textgreater \ 10^2$[/tex] C. obtuse, because [tex]$10^2+12^2\ \textgreater \ 15^2$[/tex] D. obtuse, because [tex]$12^2+15^2\ \textgreater \ 10^2$[/tex]

[Terjawab] Which set of ordered pairs could be generated by an exponential function? $\left(-1,-\frac{1}{2}\right),(0,0),\left(1, \frac{1}{2}\right),(2,1)$ $(-1,-1),(0,0),(1,1),(2,8)$ $\left(-1, \frac{1}{2}\right),(0,1),(1,2),(2,4)$ $(-1,1),(0,0),(1,1),(2,4)$

[Terjawab] Consider the reaction below. [tex]$C_2 H_4(g)+H_2(g) \rightarrow C_2 H_6(g)$[/tex] Which change would likely cause the greatest increase in the rate of the reaction? A. decrease temperature and decrease pressure B. increase temperature and decrease pressure C. decrease temperature and increase pressure D. increase temperature and increase pressure

[Terjawab] Choose the correct simplification of $\frac{x^{12} z^{11}}{x^2 z^4}$. A. $x^{10} z^7$ B. $x^{14} z^{15}$ C. $\frac{1}{x^{10} z^7}$ D. $\frac{1}{x^{14} z^{15}}$

[Terjawab] What is the exact value of [tex]$\cos \frac{7 \pi}{12}$[/tex]? A. [tex]$\frac{\sqrt{6}-\sqrt{2}}{4}$[/tex] B. [tex]$\frac{\sqrt{6}+\sqrt{2}}{4}$[/tex] C. [tex]$\frac{2 \sqrt{2}-\sqrt{6}}{4}$[/tex] D. [tex]$\frac{\sqrt{2}-\sqrt{6}}{4}$[/tex]

[Terjawab] Which of the following best defines gene flow? A. the sum of all genetic traits in a population's individuals at a given time B. any movement of genes from one population to another C. any movement of organisms from one environment to another D. the random change in the frequency of an allele in a population

[Terjawab] Which one of the following quantities has a correct unit? | Quantity | Unit | |---|---| | A speed | km⋅h⁻¹ | | B wavelength | Hz | | C mechanical energy | J⋅s⁻¹ | | D resistance | A |

[Terjawab] Exercise 6 Supply the comparative and superlative forms of these adjectives. | Adjective | Comparative | Superlative | |---|---|---| | 1. cold | colder | the coldest | | 2. heavy | heavier | the heaviest | | 3. narrow | | | | 4. deep | | | | 5. hot | | | | 6. expensive | More expensive | the most expensive | | 7. durable | | | | 8. quiet | | | | 9. cheap | | | | 10. popular | | |

[Terjawab] Pick out the synonym of the underlined word in the following sentence— I hope you will not turn down my request. (a) reject (b) disclose (c) approve (d) find (e) Not attempted

[Terjawab] What is the value of \( \log_3 81 \)? Options: 1) 2 2) 3 3) 4 4) 5