almasierra554 almasierra554

Today at 12:55 AM
Mathematics

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A small submarine is at –1,320 feet in relation to sea level. The submarine needs to be at 180 feet below sea level in 60 minutes. Another submarine is at –1,440 feet, and also needs to be at 180 feet below sea level in 60 minutes. How much faster does the second submarine need to travel? Explain.

Answer :

jazsmendavis jazsmendavis

Today at 1:00 AM

Answer:

Sample Response: : The first submarine needs to travel at 19 feet per minute to rise to –180 feet. The second submarine needs to travel at 21 feet per minute to rise to –180 feet. The second submarine must travel 2 feet per minute faster than the first.

Step-by-step explanation:

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faithm3214 faithm3214

Today at 1:00 AM

Answer: The first submarine needs to travel at a rate of [-180 – (-1,320)] ÷ 60 = 19 feet per minute.

The second submarine needs to travel at a rate of [-180 – (-1,440)] ÷ 60 = 21 feet per minute.

21 – 19 = 2, so the second submarine must travel 2 feet per minute faster than the first sub.

Step-by-step explanation:

edge2020

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