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3 years ago

For the ocean to reach farther inland, the level of the water must rise. How is it possible for

Geography

1 answer:

Vladimir [108]3 years ago

5 0

Answer:

download Socratic and all you do is take a picture of the question and it gives the answer to you

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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

When two air masses coming together

olga_2 [115]

when two air masses coming together the boundary between the two is called a weather front

5 0

2 years ago

Which of the following countries has about 20 active volcanoes? a.Malaysia b.Philippines c.Timor-Leste d.Singapore

Nutka1998 [239]

The country among the choices which has about 20 active volcanoes is the Philippines. The PHIVOLCS which is the Philippine national institution dedicated to studies on volcanoes have identified at least 23 volcanoes as active with 21 of them having historical eruptions.

4 0

3 years ago

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Which continent is smaller in land area, europe or austrailia?

Julli [10]

Australia is smaller in land than Europe because Australia covered 7.686.850 km square and Europe is covered 9.940.000 km square

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3 years ago

Which are biotic parts of an ecosystem ?

mr_godi [17]

Answer:

tree, fish, animals,plants