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mart [117]
2 years ago
6

Hugh poured 100 kilograms of water into 10 kg of salt.

Mathematics
1 answer:
iVinArrow [24]2 years ago
8 0

We will see that he made 110 kilograms of 9.1% salt solution.

<h3>How to get the total mass of the solution?</h3>

The total mass will be just the sum of the mass of water and the mass of salt, we will get:

100kg + 10kg = 110kg

So the mixture has a mass of 110kg.

<h3>How to get the concentration?</h3>

The concentration is the quotient between the mass of the salt (10kg) and the total mass of the mixture, and we can multiply that by 100% so we get a percentage.

C = (10kg/110kg)*100% = 0.091*100% = 9.1%

This means that the concentration of the mixture is 9.1%

Concluding, the final sentence is:

<em>"He made 110 kilograms of 9.1% salt solution."</em>

<em />

If you want to learn more about percentages, you can read:

brainly.com/question/843074

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5 0
2 years ago
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Andrew [12]

Answer:

Option C is correct.

Environmental regulation has led to dramatic improvements in air and water quality.

Step-by-step explanation:

- The national forests are protected from the exploitive ""dual use policy.

The dual use policy on any idea, technology, breakthrough etc. means such concept can be used for its intended purpose and for military use.

Natural forests are not excluded from this dual use policy & plenty forest exploiters hide under this policy to literally exploit natural forests.

- The Environmental Protection Agency was elevated to cabinet status in 1998 by President Clinton and the Republican Congress

This is not true as the EPA is still not a Cabinet department, but the Administrator is normally given cabinet rank.

- Environmental regulation has led to dramatic improvements in air and water quality.

Regulations have led plenty industries at the forefront of pollution to sit up and fix up. Strict laws and hefty fines have discouraged various water and air pollution means since those regulations came into place. This is the only correct statement about environmental policy amongst the options.

- Policymakers always give more consideration to environmental protection than to economic development when the two conflict.

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6 0
3 years ago
Help me solve 1 &lt;2n-5 &lt;_7 also please explain
Naddik [55]
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7 0
4 years ago
Let f(x) = x2 - 8x 5. Find f(-1).
Ymorist [56]
In the equation you have to replace all x's with -1

f (-1) = (-1)^2 - 8(-1) +5
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the f(-1) stand for the function of -1. it is also equivalent to y
8 0
3 years ago
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Which of these equals 2.427? Select all that apply. A 1.34 + 1.087 B 1.4 + 1.027 C 8.35 - 5.923 - D 6 - 3.573. Please help I'm d
PtichkaEL [24]

Answer:

All of them are equal to 2.427

Step-by-step explanation:

A = 2.427

B = 2.427

C = 2.427

D = 2.427

8 0
3 years ago
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