Solve the Problem. -An Arch for a Bridge Over a Highway Is in Highway

question 144

Multiple Choice

Solve the problem.
-An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis) . What should the span of the bridge be (the length of its minor axis) if the height 30 feet from the
Center is to be 10 feet above ground?

• A) 33.49 ft
• B) 117.17 ft
• C) 116 ft
• D) 66.97 ft

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Definitions:

Osmoconformer

An animal in which the salt concentration of body fluids varies along with changes in the surrounding sea water so that it stays in osmotic equilibrium with its surroundings.

Osmoregulator

An organism that regulates its internal osmotic pressure, maintaining fluid and electrolyte balance despite external conditions.

Antidiuretic Hormone

A hormone released by the pituitary gland that regulates water retention in the body by increasing the concentration of solutes in the blood.

Collecting Ducts

Tubules in the kidneys that receive urine from the nephrons and transport it into the renal pelvis and ureter.