3 years ago

Find the angle between the given vectors to the nearest tenth of a degree.

Mathematics

1 answer:

FromTheMoon [43]3 years ago

6 0

The answer is 16.0 but I’m not entirely sure

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A football is kicked from the ground and follows the graph of the function y = –t2 + 3t, where y represents height and t represe

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Answer:

The height of the objects are the same after 2 seconds.

Step-by-step explanation:

In order to calculate at which time both objects have the same height we need to find the value of t that makes both equations equal. Therefore:

$-t^2 + 3t = -t + 4\\t^2 - 3t - t + 4 = 0\\t^2 - 4t + 4 = 0\\t_{1,2} = \frac{-(-4) \pm \sqrt{(-4)^2 - 4*1*4}}{2*1} = \frac{4 \pm \sqrt{16 - 16}}{2}\\t_{1,2} = \frac{4}{2} = 2$

The height of the objects are the same after 2 seconds.

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Step-by-step explanation:

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Step-by-step explanation:

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I really appreciate all the help guys<3

Tems11 [23]

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