8) A satellite dish has a parabolic cross section and is 6 ft deep. The focus is 16ft from the vertex. Find the width of the satellite dish at the opening. Roundyour answer to the nearest foot.9) A building has an entry with the shape of a parabolic arch 8 ft high and 341

Solution: The equation of a parabola is x2=4py where p is the distance from the focus

Answered: 8) A satellite dish has a parabolic…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter7: Conic Sections

Section: Chapter Questions

Problem 15T: A parabolic reflector for a car headlight forms a bowl shape that is 6 in. wide at its opening and 3...

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Similar questions

The center of a circle of radius 2 inches is at a distance of 10 inches from the center of a circle of radius length 3 inches. To the nearest tenth of an inch, what is the approximate length of a common internal tangent? Use the hint provided in Exercise 38. HINT: use similar triangles to find OD and DP. Then apply the Pythagorean Theorem twice.
The vertical side wall of an in-ground pool that is 24 ft in length has the shape of a right trapezoid. What is the depth of the pool in the middle?
The center of a circle of radius 3 inches is at a distance of 20 inches from the center of a circle of radius 9 inches. What is the exact length of common internal tangent AB? HINT: Use similar triangles to find OD and DP. Then apply the Pythagorean Theorem twice.
If MNPQ is a rhombus, which formula from this section should be used to calculate its area? Exercise 46
The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each side of each regular polygon measuring 4.5 cm, the area of each regular pentagon is 34.9 cm2 and area of each regular hexagon is 52.5 cm2. a What is the surface area of the soccer ball? b If the material used to construct the ball costs 0.8 of a cent per square centimeter, what is the cost of the materials used in construction?
A parabolic reflector for a car headlight forms a bowl shape that is 6 in. wide at its opening and 3 in. deep, as shown in the figure at the left. How far from the vertex should the filament of the bulb be placed if it is to be located at the focus?
Find the lengths of the apothem and the radius of a regular hexagon whose sides have length 6 cm.

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8) A satellite dish has a parabolic cross section and is 6 ft deep. The focus is 16 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.