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3 years ago

If you are measuring between two planets which unit of measurement is appropriate to use?

Geography

1 answer:

Y_Kistochka [10]3 years ago

5 0

I’m pretty sure the answer is astronomical unit!

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Who said that earth rotated about its own tilted axis?

yanalaym [24]

Oenopides was the first to discover and measure the tilt.

He came up with about 24 degrees around 480BCe using geometry and measurements of sun angles at several times of year.

Hope this helps

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3 years ago

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When Carla solved for the height from the ground to the point where the ladder

Westkost [7]

Answer:

See explanation

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.

See attachment for illustration

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

3 years ago

How many cows are on the Earth?

Anna71 [15]

989.03 million in 2019

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4 years ago

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Which of the following type of ceramics is used for making bricks?

VMariaS [17]

The correct answer is - c) earthenware.

The earthenware is the ceramics type that is used for the creation of bricks. Traditionally, the term brick has been used for the units composed out of clay. Nowadays, with all the new techniques and materials involved into the construction, a brick can be any rectangular unit that is laid in mortar. Still, a typical brick is composed out of the earthenware, so they can be from clay-bearing soil, lime, and sand, but also are used the concrete materials to give it more strength.

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4 years ago

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What layers are found in the earth’s interior?

Papessa [141]

I attached a picture of the layers of the earth. They are the:
Crust (which isn't really the interior)
Mantle
Outer Core
Inner Core

8 0

3 years ago

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