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DiKsa [7]
2 years ago
6

Over the past 70 million years or so, the Hawaiian hot spot has been pumping out lava, a total of about 186,000 mi3 worth. If al

l that lava had erupted in Indiana, how deeply would Indiana be buried in lava? Indiana has a land area of approximately 35,867 mi2.
Geography
1 answer:
Eva8 [605]2 years ago
6 0

Answer:

5.19 Miles deep

Explanation:

To solve for this, divide the total amount of lava pumped within the duration of time by the land area of Indiana.

that is;

Depth of Indiana = 186,000/35867

Depth of Indiana = 5.19 miles

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If the cos 36° = three fourths, then the sin 54° = _____.
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1/2

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What are the similarities between the North-west Passage and the Khyber Pass?
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3 0
2 years ago
Adam, who is 5'6" tall, notices his shadow on the sidewalk. If the angle of elevation from the tip of the shadow to the sun is 6
german
<h2>Answer:</h2>

This problem can be solved using trigonomtry, assuming that the figure formed by Adam's shadow and Adam himself is a Right Triangle (as shown in the figure attached).


According to this,  the distance from the tip of the shadow to the top of Adam's head is the hypotenuse H of the triangle, and we already know Adam's height and the angle of elevation. So, the trigonometric function that best works in this case is sine:


sen(angle)=\frac{Oppositeleg}{hypotenuse}  


Where the opposite leg is the side of the triangle that is opposite to the 60\º angle.

In this especific case:


sen(60\º)=\frac{5.6feet}{H}     (1)


In order to know the value of the hypotenuse we have to find  H from equation (1):

H=\frac{5.6feet}{sen(60\º)}



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Rounding:

H=6.46 feet>>>>>This is the distance from the tip of the shadow to the top of Adam's head



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