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A cross-section of a trough is a semi-ellipse with width at the top 8 cm and depth 12 cm. The trough is filled with water to a depth of 8 cm. Find the width at a surface of the water. a. 52 cm b. 122 cm c. 72 cm d. 62 cm

A cross-section of a trough is a semi-ellipse with width at the top 8 cm and depth 12 cm. The trough is filled with water to a depth of 8 cm. Find the width at a surface of the water. a. 52 cm b. 122 cm c. 72 cm d. 62 cm

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Rational Functions And Conics
Section4.3: Conics
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A cross-section of a trough is a semi-ellipse with width at the top 8 cm and depth 12 cm. The trough is
filled with water to a depth of 8 cm. Find the width at a surface of the water.
a. 52 cm b. 122 cm c. 72 cm d. 62 cm

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