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dmitriy555 [2]
2 years ago
7

12+4y^2-7 please help i will give brainliest

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
8 0

Answer: 4 2^ + 5

Step-by-step explanation:

;w;

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Allison wants to calculate the speed of a sound wave.<br> Which formula should she use?
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Answer:

speed = distance/time

Step-by-step explanation:

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A ball is dropped from a height if 30 feet the ball bounces after each bounce the height attained by the ball is 60% of the prev
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This information will be modeled using the formula
thus we shall have:
Sn=ar^n
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a=first term
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from the information:
a=30 ft
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therefore the formula will be
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Answer:

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