what is the value of b in this equation 5b 4 2b 17
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ATI TEAS 7

TEAS Test Math Prep

1. What is the value of b in this equation? 5b - 4 = 2b + 17

Correct answer: C

Rationale: To find the value of b in the equation 5b - 4 = 2b + 17, you need to first simplify the equation. By subtracting 2b from both sides of the equation and adding 4 to both sides, you get 3b = 21. Then, dividing both sides of the equation by 3 gives you b = 7. Therefore, the value of b is 7, which corresponds to option C. Choice A (13) is incorrect as it does not match the correct calculation. Choice B (24) is incorrect as it is not the result of the correct algebraic manipulation. Choice D (21) is incorrect as it is not the value of b obtained after solving the equation step by step.

2. How does the amplitude of a wave relate to its intensity or loudness?

Correct answer: B

Rationale: The amplitude of a wave is directly related to its intensity or loudness. In general, the larger the amplitude of a wave, the greater its intensity or loudness. This relationship is due to the fact that the amplitude of a wave represents the maximum displacement of particles in the medium from their rest position. The greater the displacement, the more energy the wave carries, leading to higher intensity or louder sound. Choice A is incorrect because the relationship between amplitude and intensity is direct, not inverse. Choice C is incorrect as there is a clear relationship between amplitude and intensity. Choice D is incorrect as amplitude primarily affects intensity or loudness, not frequency.

3. What are apocrine and eccrine?

Correct answer: D

Rationale: Apocrine and eccrine refer to types of sweat glands in the human body. Apocrine sweat glands are larger and located in areas like the armpits and groin, producing a thicker secretion that can be associated with body odor. Eccrine sweat glands are found throughout the skin and are responsible for regulating body temperature through the production of sweat. Understanding the functions and locations of these glands is essential in comprehending the body's thermoregulation processes.

4. What are the primary differences between systemic and pulmonary circulation?

Correct answer: C

Rationale: The correct answer is C. Systemic circulation is longer as it involves carrying oxygenated blood throughout the body, requiring higher blood pressure. Pulmonary circulation is shorter and involves the flow of blood only through the lungs, hence having lower blood pressure. Therefore, systemic circulation is longer and has higher blood pressure compared to pulmonary circulation. Choice A is incorrect as systemic circulation is longer, not shorter, and has higher blood pressure. Choice B is incorrect as pulmonary circulation has lower blood pressure, not higher. Choice D is incorrect as systemic circulation is longer, not shorter, despite having higher blood pressure.

5. Who is the author of this article?

Correct answer: A

Rationale: The correct answer is A, 'The New York Times.' The article is an excerpt from The New York Times, which is a renowned newspaper known for publishing articles on various topics. The other options, Edwin M. Stanton, Frederick Seward, and Major Rathburn, are specific individuals mentioned within the article but are not the authors of the article. Edwin M. Stanton is identified as the Secretary of War, Frederick Seward is mentioned as one of the individuals harmed during the assassination, and Major Rathburn is present in the scene described in the article. Therefore, the most likely author of this article is The New York Times, a reputable source for news coverage.

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