I have three bill and three coins. They add up to $4.25. What denominations do I have
1 answer:
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<h3>Answer: 5 cm</h3>
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Explanation:
Recall that the range for cosine is from -1 to 1, including both endpoints. The smallest cosine value is what we're after, since we want the height to be as small as possible (to allow the blade be closest to the table).
Effectively, this means we replace the cos(x) with -1 so that it's as small as possible. Then we compute to get:
20*cos(x)+25
20*(-1) + 25
-20 + 25
5
The height of the fan tip is 5 cm when it is the closest to the table.
Side note: On the flip side, the furthest away the fan tip can get is 20*(1) + 25 = 45 cm. Therefore, the range of y values is
Answer:
A length of 959.401 meters is needed for the zip line is needed to string it from the top of the tower to the platform.
Step-by-step explanation:
The geometrical representation of the statement is summarized in the figure below attached. The length of the line is represented by hypotenuse of the right triangle, whose value is calculated by the help of trigonometrical relations:
(1)
Where:
- Angle formed between the zip line and the tower, measured in sexagesimal degrees.
- Vertical distance between the tower and the platform, measured in meters.
- Length of the zip line, measured in meters.
If we know that and
, then the length of the zip line is:
A length of 959.401 meters is needed for the zip line is needed to string it from the top of the tower to the platform.
