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12345 [234]
3 years ago
5

Is plastic and utensils a substance, heterogeneous mixture, or homogenous mixture? Substance, heterogeneous and homogenous is a

bit confusing to me I don't really understand it ;w;
Geography
2 answers:
serious [3.7K]3 years ago
8 0
Homogeneous, good luck in school!!
Afina-wow [57]3 years ago
7 0
Homogenous means a item/thing which is perfectly mixed. for example lemonade is a homogenous mixture because the sugar, lemon juice and water are perfectly mixed.
heterogenous mixture means a item/thing which is not clearly mixed. for example if you mix sand and water you can still see sand in the bottom of the cup, meaning the sand hasn’t mixed well with water.
plastics and utensils are *considered* homogenous because it has a clean texture and you can’t really tell what has been added to make this from just looking at it.
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Which of the following statements about the phosphorus cycle is true? (A. In living organisms, phosphorus can be found in nuclei
kicyunya [14]

Answer:

its A

Explanation:

In living organisms, phosphorus can be found in nucleic acids.

JUST TOOK THE TEST

6 0
2 years ago
What happens to the point charge if the magnitude is doubled
katovenus [111]

Answer:

Explanation:

What happens when the magnitude of one charge is doubled?

If the magnitude of one charge is doubled then the magnitude of the force is also doubled. The force is not proportional to the square of the charge, so the magnitude of the force will not change by a factor of four.

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2 years ago
Examples and description of different types of rivers around the world
klemol [59]

Answer: Permanent rivers are those which have water all year around. These are also called perennial rivers, and the water comes mostly from groundwater.

Explanation: I hope that is a good example for rivers around the world. If not then I'm sorry <3

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2 years ago
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
According to cell theory, all living organisms are made of — A. cells, and all have similar needs, such as a source of energy. B
svet-max [94.6K]

Answer:

A, I believe

Explanation:

5 0
2 years ago
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