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DedPeter [7]
2 years ago
12

Which statement explains something that the fossil record indicates? Earth is 4. 5 billion years old. Mammals have always existe

d on Earth. Mass extinctions have occurred several times on Earth. The amount of water on Earth has decreased over time.
SAT
1 answer:
AleksandrR [38]2 years ago
7 0

Answer:

I don't know

Explanation:

I really don't know‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️

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Answer:

60 sec.

Explanation:

The first person has to travel 200m at 2 m/s. It will take him 200/2=100 seconds to reach the gate. The second person is moving towards the gate at 2 + 3 meters per second so it will take her 200/5 = 40 seconds to reach the gate. Therefore, person #1 needs an extra 100-40 = 60 seconds.

4 0
3 years ago
philly and boston were working on a project in carpentry class. they needed to cut 5 lengths of 234 feet from a board. how long
ss7ja [257]

or 5 lengths of 234 feet to be cut from a board, the board must have a length of at least 1170 feet.

Let x represent the total length of the board so as to allow for the cutting of 5 lengths.

Since each length needed to be cut is 234 feet, hence:

x = number of lengths × feet per board

x = 5 lengths × 234 feet

x = 1170 feet

Hence for 5 lengths of 234 feet to be cut from a board, the board must have a length of at least 1170 feet.

Find out more at: brainly.com/question/18832017

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The vertex is b. (-0.5, 5.75)
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