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gizmo_the_mogwai [7]
2 years ago
14

An object that can go through reversible,irreversible,physical and chemical changes

Advanced Placement (AP)
1 answer:
Alekssandra [29.7K]2 years ago
8 0

Answer:

Chemical changes

Explanation:

please

Mark me as brainiest it's a humble request

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Clint wants to keep a young tree from blow- ing over during a high wind. He decides that he should tie a rope around the tree at
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Answer:

No, the 270 cm rope Clint has is not enough to do the job.

Explanation:

The height of tree where rope has to be tied = 180 cm

The distance of the stake from the base of the tree = 200 cm

We can say that the arrangement makes a right angle triangle, with the right angle situated at the base of the tree. The figure is attached below. Consult it for better understanding.

Length of the rope can be found by using Pythagoras theorem.

(Length of rope)² = 180² + 200²

Length of rope = 269 cm

As it is stated the additional 30cm of rope is required for tying from both ends. Total length of rope required is:

Total length of rope = 269 + 30

Total length of rope = 299 cm

As length of rope required is 299cm, the 270 cm rope Clint has is not enough to do the job.

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Trade on the Inca roads differed most strongly from trade on the Silk Road in which of the following ways?
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I believe the correct answer is B: <u>the Inca roads crossed mountains, while the Silk Road traveled through lowlands.</u>

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<em>Since the Inca roads were in the mountains and I the silk road was on low lands. It would make sense for it to be</em> B. But I could be mistaken.

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