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Juliette [100K]
2 years ago
9

When did the Appalachian mountains form?

Geography
2 answers:
Ghella [55]2 years ago
8 0

Answer:

480 million years ago

CaHeK987 [17]2 years ago
8 0
480 million years ago
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In the equation, the value of y will be different as a result of the signs that are used.

<h3>How to solve the equation</h3>

In the first equation, 5y + 10 = 25. To find the value of y goes thus:

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