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oksano4ka [1.4K]
3 years ago
7

Please help asap 18 pts brainliest to right/best answer

Mathematics
1 answer:
nirvana33 [79]3 years ago
8 0

Find the Greatest Common Factor (GCF)

GCF = 3x

Factor out the GCF (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

3x(3x^2/3x + 21x/3x)

Simplify each term in parenthesis

<u>3x(x + 7)</u>

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Answer:

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andreev551 [17]

Answer:

It will take the boulder approximately 4.28 seconds to hit the road

Step-by-step explanation:

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The equation that can be used to find the time it takes the boulder to fall is h = u·t + (1/2)·g·t²

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t = How long it will take for the boulder to hit the road below

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∴ t = √(90/4.905) ≈ 4.28

The time it takes the boulder to hit the road, t ≈ 4.28 seconds.

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