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WINSTONCH [101]
3 years ago
6

What is the area of earth​

Geography
2 answers:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

196.9 million mi²

Explanation:

kvasek [131]3 years ago
3 0

Answer:

510.1 million km²

Explanation:

To find the surface area of the Earth we have to use the formula of 4*Pi*radius squared. The radius of the Earth is approximately 6,371 kilometers.

<em><u>mark me as brainliest!</u></em>

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When Carla solved for the height from the ground to the point where the ladder
Westkost [7]

Answer:

<em>See explanation</em>

Explanation:

Given

Represent the vertical angle with \theta

\theta = 75

The question has incomplete details because the length of the ladder is not given; neither is the distance between the ladder and the wall given.

<em>See attachment for illustration</em>

So, this solution will be based on assumptions.

Represent

- The height from ground to the top of the ladder with y

- The length of the ladder with L

- The distance between the ladder and the wall with x

Carla could solve for y in any of the following ways:

1. Tan formula

tan \theta = \frac{opp}{adj}

In this case:

tan \theta = \frac{x}{y}

Multiply both sides by y

y * tan \theta = \frac{x}{y} * y

y * tan \theta = x

Divide both sides by tan

y   = \frac{x}{tan \theta}

y   = \frac{x}{tan 75}

This can be used if the distance (x) between the ladder and the wall is known.

Assume x = 15

y   = \frac{15}{tan 75}

y = 4.02

2. Cosine formula

cos \theta = \frac{adj}{hyp}

In this case:

cos \theta = \frac{y}{L}

Multiply both sides by L

L * cos \theta = \frac{y}{L} * L

Lcos \theta = y

y = Lcos \theta

y = Lcos75

This can be used if the length (L) of the ladder is known.

Assume L = 15

y = 15 * cos75

y = 3.88

3 0
2 years ago
Activity 1 : Volcano: Advantage or Disadvantage? ​
GuDViN [60]

Answer:

Disadvantage

Explanation: It can become active anytime

7 0
1 year ago
Below is information relating atmospheric pressure to altitude relative to sea level: The atmospheric pressure at sea level is 7
kogti [31]

Answer:

New Orleans, LA (2 m below sea level)

Explanation:

In this examples, we can see that the places with the highest altitude (meters above sea level) are also the places with the lowest atmospheric pressure. Therefore, we can conclude that the opposite is true too. The places with the lowest altitude are the ones with the highest atmospheric pressure. The place with the lowest altitude is New Orleans, as it is located 2 m below sea level.

4 0
3 years ago
What are the temperatures (cold, warm, or hot) found in each layer of the atmosphere?
yuradex [85]

the troposphere is warm

the stratosphere is hot

the atmosphere is warm

the mesosphere is cold

6 0
3 years ago
the appalachian mountains are ___ of the rocky mountains north south east west? a. north b. south c. east d. west
lidiya [134]

The correct answer is - c. east.

The Appalachian Mountains are located in the eastern part of the United States, and since the Rocky Mountains are in the western part of the country, it puts them east of the Rocky Mountains.

The Appalachians are a very old mountain range, they are dated to about 480 million years ago when they formed during the Ordovician Period. At their peak, these mountains reached heights similar to the Rocky Mountains and the Alps in Europe, but because of the natural erosion they have shrunk and nowadays are much smaller in height.

7 0
2 years ago
Read 2 more answers
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