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Studentka2010 [4]

3 years ago

15

The elivation of city A is 60 feet above sea level; the elevation of city C is 12 feet above sea level. The elevation of city D

is 1/2 of the elevation of city c. How do you represent the elevation, in feet, of city d?

1 answer:

serg [7]3 years ago

6 0

Go to openstudy.com for real help with homework.

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2 years ago

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lana [24]

Answer:

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Step-by-step explanation:

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3 years ago

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natka813 [3]

Answer:

d, e, g, and h.

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3 years ago

A boat sails on a bearing of 77 degrees for 135 miles and then turns and sails 207 miles on a bearing of 192 degrees. Find the d

Andrew [12]

Answer:

193.53 miles

Step-by-step explanation:

Please see the diagram for understanding of how the angles were derived,

Applying Alternate Angles, ABO =77 degrees

The bearing from B to C is 192=180+12 degrees

Subtracting 12 from 77, we obtain the angle at B as 65 degrees.

We want to determine the boat's distance from its starting point.

In the diagram, this is the line AC.

Applying Law of Cosines:

$b^2=a^2+c^2-2acCosB\\b^2=207^2+135^2-2(207)(135)Cos65^\circ\\b^2=37453.8654\\b=\sqrt{37453.8654} \\b=193.53\: miles$

The distance of the boat from its starting point is 193.53 miles (correct to 2 decimal places).

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3 years ago

Destiny poured 24 ounces of juice into 4 1/2 ounce servings. She has 1 1/2 ounces of juice left over. How many 4 1/2 ounce servi

Nataly_w [17]

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3 years ago

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