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Licemer1 [7]
3 years ago
15

A fence must be built to enclose a rectangular area of 20,000 ftsquared. fencing material costs $ 1 per foot for the two sides f

acing north and south and ​$2 per foot for the other two sides. find the cost of the least expensive fence.
Mathematics
1 answer:
Simora [160]3 years ago
6 0
The total cost of the least expensive fence would be $800.

To minimize perimeter and maximize area we take factors that are as close to equal as possible.  In this case, the closest whole number factors are 200 and 100.  Since the north and south faces cost less, we will make those 100 ft and make the more expensive east and west faces 200 ft.

100 ft × $2/ft = $200 per side × 2 sides = $400 for the north and south facing sides.

200 ft × $1/ft = $200 per side × 2 sides = $400 for the east and west facing sides

$400 + $400 = $800
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Jason sold half of his comic books and then bought 6 more. He now has 13. How many did he begin with?
tigry1 [53]

Answer:

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Step-by-step explanation:

13-6 equals 7

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5 0
2 years ago
Use a net to find the surface area of the right triangular prism shown:
vazorg [7]

The surface area of the right triangular prism is 270 sq ft

<h3>Total surface ara of the prism</h3>

The total surface area of the prism is the  sum of all the area of its faces

For the two triangles

A = 2(0.5bh)

A = bh

A = 7 * 12 = 84 sq.ft

For the two rectangles

A = 2lw

A = 2(6*12)

A = 2 * 72 = 144 sq.ft

For the third triangle;
Area  6ft * 7ft

Area = 42 sq.feet

Taking the sum of the areas

TSA = 84 + 144 + 42

TSA  = 270 sq ft

Hence the surface area of the right triangular prism is 270 sq ft

Learn more on surface area of prism here; brainly.com/question/1297098

3 0
2 years ago
John and Jennifer are both basketball players. John made 5 out of 8 shots and Jennifer made 8 out of 12 shots. Who made the high
Natasha2012 [34]

Answer:

Jennifer made the higher percentage of shots



4 0
3 years ago
Which of the following is equivalent to -9-√-36
LenKa [72]

Answer:

The answer to your question is:  -9 - 6i

Step-by-step explanation:

Process

\sqrt{-36} = \sqrt{(-1)(36)} = \sqrt{-1} \sqrt{36} = (6i)

= - 9 - (6i)

= -9 - 6i

3 0
3 years ago
What is standard form for 300,000+40,000+60+7
Vesna [10]
340,067  thats is easy















5 0
3 years ago
Read 2 more answers
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