Sadude69

21.04.2020 • 

Mathematics

Tri-County Utilities, Inc., supplies natural gas to customers in a three-county area. The company purchases natural gas from two companies: Southern Gas and Northwest Gas. Demand forecasts for the coming winter season are Hamilton County, 400 units; Butler County, 200 units; and Clermont County, 300 units. Contracts to provide the following quantities have been written: Southern Gas, 500 units; and Northwest Gas, 400 units. Distribution costs for the counties vary, depending upon the location of the suppliers. The distribution costs per unit (in thousands of dollars) are as follows

From Hamilton Butler Clermont
Southern Gas 10 20 15
Northwest Gas 12 15 18

Develop a network representation of this problem.

Ответ:

PurpleAndBlue

24.01.2022

Mathematics

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The network model is attached.

Step-by-step explanation:

Total Demand from each Gas Company are:

Southern Gas, 500 units;

Northwest Gas, 400 units.

Total Supplies to each County are:

Hamilton County, 400 units;

Butler County, 200 units;

Clermont County, 300 units.

The distribution costs per unit (in thousands of dollars) are as follows

-----------Hamilton-- Butler-- Clermont

Southern Gas--- 10 ---20--- 15

Northwest Gas ----12 ----15---- 18

The network representation of these information is given in the attachment.

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Ответ:

tommyewall34

06.11.2022

Mathematics

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We know that the radius is 15 feet So,

What we do is this:

(Circumference) 3.14× twice the radius. ( 15+15) 
3.14×30=94.2

So the Correct answer is 94.2

 

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