I believe this is the answer. Please let me know if it's correct.
907.46ft²÷3.14=289
√289=√r²
17=r
Answer:
9.05
Step-by-step explanation:
80 squared + 18 squared and the squared rooted is 82
82 square rooted is 9.05 and there's your answer
Answer:
7.50 stuped
Step-by-step explanation:
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Answer:
The length of the bridge is 126.492 feet.
Step-by-step explanation:
Let , where is the position from the middle of the bridge, measured in feet, and is the height of the bridge at a location of x feet, measured in feet. In this case, the length of the bridge is represented by the distance between the x-intercepts of the parabola, which we now find by factorization:
(Eq. 1)
Given that the parabola is symmetrical with respect to y-axis, then the length is two times the magnitude of the value found above, that is:
The length of the bridge is 126.492 feet.