Question

(1 point) A fence is to be built to enclose a rectangular area of 210 square feet. The fence along three sides is to be made of material that costs 5 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.

Dimensions: 19.45 x 10.80 <= I had this for answer and got it wrong is the answer different?

Answer #1

A fence is to be built to enclose a rectangular area of 270
square feet. The fence along three sides is to be made of material
that costs 6 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.

(1 point) A fence is to be built to enclose a rectangular area
of 310 square feet. The fence along three sides is to be made of
material that costs 6 dollars per foot, and the material for the
fourth side costs 14 dollars per foot. Find the length L and width
W (with W≤L ) of the enclosure that is most economical to
construct.

A fence is to be built to enclose a rectangular area of 280
square feet. The fence along three sides is to be made of material
that costs 5 dollars per foot, and the material for the fourth side
costs 14 dollars per foot. Find the length LL and width WW (with
W≤LW≤L) of the enclosure that is most economical to construct.

A fence is to be built to enclose cows in a rectangular area of
200 square feet. The fence along three sides is to be made of
material that costs $5 per foot, and the material for the fourth
side costs $16 dollars per foot. Find the dimensions of the
enclosure that minimize cost, and give the minimum cost to build
the fence

A
fence is to be built to enclose a rectangular area of 800 square
feet. The fence along three sides is to be made of material that
costs $6 per foot. The material for the fourth side costs $18 per
foot. Find the dimensions of the rectangle that will allow for the
most economical fence to be built?

A fence is to be built to enclose a rectangular area of
18001800
square feet. The fence along three sides is to be made of
material that costs
$44
per foot. The material for the fourth side costs
$1212
per foot. Find the dimensions of the rectangle that will allow
for the most economical fence to be built.

A fence must be built in a large field to enclose a rectangular
area of 18,225 square meters. On one side of the enclosure is an
existing fence. For the other three sides, material for the ends
will cost $2.00 per meter and the material for the side parallel to
the existing fence will cost $4.00 per meter. Show work.
a. What are the dimensions of the field fence the lowest
cost?
b. What will the fence cost?

A fence must be built to enclose a rectangular area of
20,000ft2. Fencing material costs $1 per foot for the
two sides facing north and south and $2 per foot for the other two
sides. Find the cost of the least expensive fence.
The cost of the least expensive fence is $____.

A
fence must be built to enclose a rectangular area of 5000 ft^2.
Fencing material costs $4 per foot for the two sides facing north
and south and $8 per foot for the other two sides. Find the cost of
the least expensive fence.
The cost of the least expensive fence is $_

A fence must be built to enclose a rectangular area of 140,000
m2. Fencing material costs $7 per metre for the two
sides facing north and south, and $4 per metre for the other two
sides. Find the cost of the least expensive fence. Justify your
result.

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