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aivan3 [116]
3 years ago
6

Alex went for a walk. D(t) models the distance Alex walked in (kilometers) after t hours what does D(0.5)<D(1)-D(0.5) mean?​

Mathematics
1 answer:
Ierofanga [76]3 years ago
6 0

Answer:

D d d d d d d d d

Step-by-step explanation:

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Hyun Woo is riding a ferris wheel. H t H(t) models his height (in m m) above the ground, t t seconds after the ride starts. Here
worty [1.4K]

Answer:

<u></u>

  • <u>53 seconds.</u>

Explanation:

The text and the model are garbled.

This is the question amended:

<em />

<em>Hyun Woo is riding a ferris wheel. H(t) models his height (in m) above the ground, t seconds after the ride starts. Here, t is entered in radians.</em>

<em>H(t) = -10 cos(2π/150 t)+10</em>

<em />

<em>When does Hyun Woo first reach a height of 16 m?</em>

<em />

<h2>Solution</h2>

<em />

When <em>Hyun Woo reaches a height of 16 m</em> the <em>model </em>states:

  • <em>16 = -10 cos(2π/150 t)+10</em>

<em />

Then you must find the lowest positive value of t that is a solution of the equation.

Solve the equation:

  • <em>16 = -10 cos(2π/150 t)+10</em>

  • 10cos(2π/150 t) = - 6

  • cos(2π/150t) = -0.6

  • 2π/150t = arccos(-0.6)

  • 2π/150t = 2.214297

  • t = 52.86s ≈ 53 s ← answer
4 0
3 years ago
Marie has 50 pages in her notebook. She made a graph of the kinds of writing on all of the pages she has
MissTica

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Step-by-step explanation:

don’t have it just know that’s the answer

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Answer:

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I think this is right, hope this helps!

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Cerrena [4.2K]

below

Step-by-step explanation:

all real numbers

[0,∞]

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