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kozerog [31]
3 years ago
14

A fence is to be built to enclose a rectangular area of 220 square feet. The fence along three sides is to be made of material t

hat costs 3 dollars per foot, and the material for the fourth side costs 13 dollars per foot. Find the dimensions of the enclosure that is most economical to construct
Mathematics
1 answer:
VikaD [51]3 years ago
7 0

Answer: a rectangle is a quadrilateral having opposing sides parallel and four right angles

Area of rectangle = length * width

Step-by-step explanation: Given Area of rectangle = 220 square foot

1 side of the fence = 220/4 = 55 feet

If 3 sides of the fence cost $3

Total cost for 3 sides of the fence = ( 55 + 55 + 55) * 3 = 165 * 3 = $495

Total cos for the 4th side = 55 * 13 = $715

It is more economical to construct the fence with materials that cost $3.

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What conic section degenerates into a line?
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<h3>Answer: A) parabola</h3>

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A degenerate hyperbola forms two lines that intersect at the vertex of the cone. We can rule out choice B.

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Answer:

see explanation

Step-by-step explanation:

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