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Anonymous Anonymous
  • 09-11-2016
  • Mathematics
Answered

A submarine dives 390 feet every 3 minutes and 5,200 feet every 40 minutes.


Find the constant rate at which the submarine dives. Enter your answer in feet per minute and feet per hour.


The submarine dives feet per minute.


The submarine dives feet per hour.

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 09-11-2016

(3,390)(40,5200)
slope = (5200 - 390) / (40 - 3) = 4810/37 = 130

so the sub dives 130 ft per minute

there are 60 minutes in an hr
130 * 60 = 7800 ft per hr

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