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5 votes
If y is the altitude in feet and

x is time in minutes,
Use the equation:
y = -2000x + 30,000
to find a plane's altitude at
5 minutes.
PLEASE ANSWER

1 Answer

7 votes

Answer: To find the plane's altitude at 5 minutes, we can substitute x = 5 into the equation:

y = -2000x + 30,000

y = -2000 * 5 + 30,000

y = -10,000 + 30,000

y = 20,000

So the plane's altitude at 5 minutes is 20,000 feet.

Explanation:

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