Question
starting at sea level a submarine descended at a constant rate to depth of -3/4 mile relative to sea level in 5/8 minutes. the submarine continues to descend at the same rate. what is the submarines depth relative to sea level after the first minute. Enter answer as a simplified mixed number
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Answer to a math question starting at sea level a submarine descended at a constant rate to depth of -3/4 mile relative to sea level in 5/8 minutes. the submarine continues to descend at the same rate. what is the submarines depth relative to sea level after the first minute. Enter answer as a simplified mixed number
Neal
4.595 Answers
1. Find the rate of descent:
r = \frac{-\frac{3}{4}}{\frac{5}{8}} = -\frac{3}{4} \times \frac{8}{5} = -\frac{24}{20} = -\frac{6}{5} \,\text{miles per minute}
2. Calculate the depth in the first minute:
\text{Depth in 1 minute} = -\frac{6}{5} \times 1 = -\frac{6}{5} = -1 \frac{1}{5} \,\text{miles}
Answer: -1 1/5
2. Calculate the depth in the first minute:
Answer: -1 1/5
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