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Tasya [4]
3 years ago
10

If an object is projected vertically upward from ground level with an initial velocity of 320 ft/sec, then its distance s above

the ground after t seconds is given by s=-16t^2+320t. For what values of t will the object be more than 1536 feet above the ground?
Mathematics
2 answers:
PolarNik [594]3 years ago
6 0
8<t<12 would be your answer buddy :)
slavikrds [6]3 years ago
3 0
T>8 but less than 12
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belka [17]

Answer: 0.3125 hours

Step-by-step explanation:

The formula for time taken to cover a distance is:

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Distance = 2.5 miles

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In minutes this is:

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3 years ago
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NISA [10]

Answer:

  y = 6 or 8

Step-by-step explanation:

1. Subtract the constant:

  y^2 -14y = -48

2. Add the square of half the y-coefficient:

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Write as a square, if you like:

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3. Take the square root:

  y -7 = ±√1 = ±1

4. Add the opposite of the constant on the left:

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The solution is y = 6 or y = 8.

5 0
3 years ago
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