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Questions in Grade High-school

[Terjawab] Select the correct answer. Consider this absolute value function: [tex]f(x)=|x+3|[/tex]. If function [tex]f[/tex] is written as a piecewise function, which piece will it include? A. [tex]-x+3, x\ \textless \ -3[/tex] B. [tex]x+3, x \geq-3[/tex] C. [tex]-x-3, x\ \textless \ 3[/tex] D. [tex]x+3, x \geq 3[/tex]

[Terjawab] What event led to a sharp disagreement between the leadership of the United States and the United Kingdom? A. Berlin Airlift B. Cold War C. Korean War D. Suez Crisis

[Terjawab] What is the equivalent expression of $x^{\frac{1}{3}} x^{\frac{1}{4}}$ ? A. $\sqrt[2]{x^7}$ B. $\sqrt[12]{x^7}$ C. $\sqrt[7]{x^2}$ D. $\sqrt[12]{x}$

[Terjawab] Consider the following intermediate chemical equations: [tex] \begin{array}{l} C(s)+\frac{1}{2} O_2(g) \rightarrow CO(g) \\ CO(g)+\frac{1}{2} O_2(g) \rightarrow CO_2(g) \end{array} [/tex] When you form the final chemical equation, what should you do with CO? A. Cancel out CO because it appears as a reactant in one intermediate reaction and a product in the other intermediate reaction. B. Add the two CO molecules together and write them as reactants in the final chemical reaction. C. Write CO only once as a reactant in the final chemical reaction. D. Write CO as a reactant and a product in the final chemical reaction.

[Terjawab] A student sets a goal to improve academic performance. Which of the following represents a subjective measurement of progress toward that goal? A. improved grades on individual assignments B. higher letter grades at the end of the academic year C. a greater sense of accomplishment D. remembering facts learned in class

[Terjawab] Which question should a reader ask to identify an author's purpose? A. Why did the author write this text? B. What evidence does the author provide? C. What is the author's opinion on this topic? D. How effective is the evidence?

[Terjawab] A train travels from city A to city B. It leaves A at 10:30 AM and arrives at B at 1:15 PM. The distance between the cities is 142 miles. What was the average speed of the train in miles per hour (mph)? For example, if the average speed is 50 mph, simply enter 50. The average speed is ______ miles per hour.

[Terjawab] Linda and Ali are standing on a riverbank, at points A and B respectively. Ali is 170 meters from a house located across the river at point C. Suppose that angle A (angle BAC) is 44°, and angle B (angle ABC) is 53°. How far are Linda and Ali standing from one another? Round your answer to the nearest tenth of a meter.

[Terjawab] In an open economy, governments running a budget deficit will experience what effect on their domestic money supply (first response) and also the value of their currency in the FOREX market (second response)? Options: - increase / appreciate - decrease / depreciate - no effect / depreciate - increase / depreciate - decrease / appreciate

[Terjawab] Light waves are first transmitted through the ______ at the front opening called the ______ before shining onto the retina. Options: 1. cornea; pupil 2. sclera; lens 3. lens; sclera 4. pupil; cornea