Answer:
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You need to determine where to place the beams so that the chains are fastened to the rollercoaster at a height of 25 feet.
1 answer:
The roller coaster is an illustration of a right triangle
- The equation needed to solve the horizontal distance is
- The horizontal distance is 16.58 feet
The height is given as: 25 feet.
From the complete question, the length of the roller coaster is 30 feet.
Represent the horizontal distance with h.
Given that the roller coaster represents the hypotenuse side length, the following equation can be used to find h
Collect like terms
In (a), we have:
This gives
Take the roots of both sides
Hence, the horizontal distance is 16.58 feet
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Answer:
1. H = 29 cm
2. θ = 44°
Step-by-step explanation:
1. We can find the height of the triangle by considering the isosceles triangle as two right triangles. The height can be found by using Pitagoras:
Where:
L: is the sides of the isosceles triangle = 42 cm
B: is the base = 30 cm
H: is the height =?
Then, the height is:
2. The two equal angles (θ) can be found using the following trigonometric identity:
Hence, the two equal angles are 44°.
I hope it helps you!
Answer:
Step-by-step explanation:
The given polynomials can be added together by adding like terms together as shown below:
=> Add together, the coefficient of all terms that have the power of 3.
=>
=>
=>
The answer =