the expression -300 + 14y represents a submarine that began at a depth of 300 feet below sea level and ascended at a rate of 14
feet per minute what was the depth of the submarine after 9 minutes?
1 answer:
Answer:
174 feet below sea level
Step-by-step explanation:
y is the number of minutes so you can multiply 14 by 9
14*9 is 126
then you add 126 to -300
126 + (-300) is essentially 126 - 300 and that is -174
the submarine was at 174 feet below sea level
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