We appreciate your visit to The expression 270 19m represents a submarine that began at a depth of 270 feet below sea level and ascended at a rate of 19. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Final answer:
The depth of the submarine after 5 minutes of ascending at 19 feet per minute from a depth of 270 feet below sea level is '175 feet below sea level'.
Explanation:
The given expression that represents the submarine's depth is -270 + 19m. In this equation, '-270' indicates the initial depth of the submarine below sea level, and '19m' represents the rate at which the submarine ascended. The 'm' represents minutes. So, to solve for the depth of the submarine after 5 minutes, we substitute 5 for 'm' in the equation.
So, we have -> -270 + 19*5 = -270 + 95 = -175.
So after 5 minutes, the submarine was at a depth of 175 feet below sea level.
Therefore, the correct answer is d. 175 feet below sea level.
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