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The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and $$100\ m$$ long is supported by vertical wires attached to the cable the longest wire being $$30\ m$$ and the shortest being $$6\ m$$. Find the length of a supporting wire attached to the roadway $$18\ m$$ from the middle.

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The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.
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The cable of a uniformly loaded suspension bridge hangs in the form of parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and shortest wire being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.
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The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wages attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.
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