Exams & Certification
Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. a. Who ran faster? Explain how you know. Priya ran faster because they both ran 10 meters but Priya ran 2.4 seconds for 10 meters and Han ran 2.7 seconds in 10 meters so Han ran 3 second more than Priya […]
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Individuals in permanent comas or persistent vegetative states A are considered dead, both clinically and according to the whole-brain standard of death B will not regain consciousness, but do not meet the whole-brain standard of death C will regain consciousness, but do not meet the whole-brain standard of death D are considered dead by the
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The other day, we saw that Han can run 100 meters in 20 seconds. Han wonders how long it would take him to run 3,000 meters at this rate. He made a table of equivalent ratios. 1. Do you agree that this table represents the situation? Explain your reasoning. 20 100 10 50 1 5
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A production possibilities frontier with increasing opportunity cost is considered: A. concave and bowed outward. B. A straight line. C. horizontal. D. convex. The correct answer and explanation is: The correct answer is A. concave and bowed outward. Explanation: A production possibilities frontier (PPF) represents the maximum possible output combinations of two goods or services
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10 gallons equals how many fluid ounces? The correct answer and explanation is: 10 gallons equals 1,280 fluid ounces. To understand this conversion, it’s important to know the relationship between gallons and fluid ounces in the United States measurement system. One gallon contains 128 fluid ounces. This is a standard measurement in both the U.S.
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The molecular weight of Potassium chloride (KCl) is 74.55 g/mol. How many grams would you need for 650 ml of a 35 mM solution? The Correct Answer and Explanation is: Correct Answer:1.7 grams of KCl Explanation: To determine how many grams of potassium chloride (KCl) are needed to prepare 650 milliliters (ml) of a 35
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Use the ratio-proportion method to solve for the unknown. How many kilograms are in 6.5 pounds? Round the answer to the nearest hundredth. Use the following equation, where the known value is 1 kilogram = 2.2 pounds: x kg6.5 lb=1 kg2.2 lb kg The Correct Answer and Explanation is: To solve for how many kilograms
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An angle measures 48°. What is the measure of its complement? (b) An angle measures 77°. What is the measure of its supplement? measure of the complement: measure of the supplement The Correct Answer and Explanation is: Correct AnswersMeasure of the complement of 48°: 42°Measure of the supplement of 77°: 103° Explanation: To solve problems
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(a) An angle measures 54°. What is the measure of its supplement? (b) An angle measures 49°. What is the measure of its complement? measure of the supplement: measure of the complement: The Correct Answer and Explanation is: To solve these problems, we must understand the definitions of complementary and supplementary angles: (a) An angle
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What is the oxidation number of N in nitric acid ()? a) 0 b) +3 c) +5 d) -5 e) -3 The Correct Answer and Explanation is: Correct Answer: c) +5 To determine the oxidation number of nitrogen in nitric acid (HNO₃), we need to consider the known oxidation numbers of the other atoms and
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