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motikmotik
2 years ago
5

A test tube containing plant material and

Geography
1 answer:
Deffense [45]2 years ago
6 0
This is an example of a closed system
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You're building a 12 foot ramp to the entrance of a building 3 feet above the ground. The ADA regulations require the incline of
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We can assume that:

the 12 foot ramp to the entrance of a building is the base of a right angled triangle and the  3 feet above the ground should be the height above the ground basement. The by using the tangent of a triangle from the knowledge of our trigonometric function; we have:

\mathbf{tan  \ \theta = \frac{opposite}{adjacent}}

\mathbf{tan  \ \theta = \frac{3}{12}} \\ \\ \mathbf{tan  \ \theta = 0.25 } \\ \\ \mathbf{\theta = tan^{-1} (0.25)} \\ \\ \mathbf{\theta = 14.04^o}

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