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a_sh-v [17]
3 years ago
15

5. An airplane 30,000 feet above the ground begins to descend at a

Mathematics
1 answer:
Bess [88]3 years ago
4 0

Answer:

A

Step-by-step explanation:

If the airplane is 30,000 feet above the air and descends 2,000 feet it's going down 2,000 feet per minute and cause we don't know how many minutes he was going down we put that as x. and multiply 2,000 for what ever x is.

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Answer:

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Step-by-step explanation:

d=3t is our formula.

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Substituting our known information would make our equation look like:

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3 years ago
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Find all integers $n$ for which $\frac{n^2+n+1}{n-1}$ is an integer.
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