florenciaaxell4042
28.12.2019 •
Mathematics
The profile of the cables on a suspension bridge may be modeled by a parabola. the central span of the bridge is 1240 m long and 135 m high. the parabola y equals 0.00035 x squared gives a good fit to the shape of the cables, where startabsolutevalue x endabsolutevalue less than or equals 620 , and x and y are measured in meters. approximate the length of the cables that stretch between the tops of the two towers.
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Ответ:
1277.87
Step-by-step explanation:
You just have tu use the Arc length formula
L = ∫ √1 + (f’(x))2 dx
Once you get the formula, you can put it in an integral calculator.
Now look at the images to see the explanation.
Ответ:
x=4, y=3
Step-by-step explanation:
3x-4y=0
-3x+3y=-3
-y=-3
y=3
x-3=1
x=4