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Morgarella [4.7K]
2 years ago
8

In the figure FAC=GBC. find DBC

Mathematics
2 answers:
kozerog [31]2 years ago
5 0
So angle DBC is equal to 180° - 28° which is 152°

~~

I hope that helps you out!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
Lesechka [4]2 years ago
5 0

Answer:

m{\angle}DBC=152^{\circ}

Step-by-step explanation:

Given: From the figure, it is given that m{\angle}FAC=m{\angle}GBC=28^{\circ}.

To find: The value of m{\angle}DBC

Solution:  From the figure, it is given that m{\angle}FAC=m{\angle}GBC=28^{\circ}.

Now, using the straight line property, we have

m{\angle}DBC+m{\angle}GBC=180^{\circ}

Substituting the given values, we get

m{\angle}DBC+28^{\circ}=180^{\circ}m{\angle}DBC=180^{\circ}-28^{\circ}

m{\angle}DBC=152^{\circ}

Hence, the measure of m{\angle}DBC is 152^{\circ}.

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a.                                   The Ford TriVan   The Honda CityVan

Total life-cycle costs          $94,368                $90,936

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a) Data and Calculations:

                                        The Ford TriVan   The Honda CityVan

Purchase costs                  $28,000                 $32,000

Fuel efficiency per gallon   24 miles                 37 miles

Operating cost per mile     $0.20                     $0.22

Total operating costs         $4,400                   $4,840

Estimated annual distance 22,000 miles        22,000 miles

Gallons of fuel consumed  916.7 (22,000/24) 594.6 (22,000/37)

Total cost of fuel                 $3,896                  $2,527

Fuel cost per mile              $0.18                      $0.115

Total cost per mile             $0.38                     $0.335

Expected life of truck         8 years                   8 years

Average gas price = $4.25 per gallon

Total costs:

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Annual costs:

Total operating costs         $4,400                   $4,840

Total cost of fuel                $3,896                   $2,527

Annual costs                      $8,296                   $7,367

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Total life-cycle costs          $94,368                $90,936

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= 9,032 miles ($3,432/$0.38)

Annual distance = 22,000 miles

Monthly distance = 1,833 miles

9,032/1,833 = 4.93 months or 5 months approximately

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