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3 years ago

15

What is a substance?

2 answers:

Effectus [21]3 years ago

8 0

Answer:

A. a uniform mixture that can't be separated

marshall27 [118]3 years ago

6 0

A . A uniform mixture that can’t be separated

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Please help me guys never mind the calculations

vlada-n [284]

The shape is connected in parallel so;

5.1) Ans;

$\frac{1}{R} = \frac{1}{R1} + \frac{1}{R2} \\ \frac{1}{R} = \frac{1}{2} + \frac{1}{3} \\ \frac{1}{R} = \frac{3 + 2}{6} = \frac{5}{6} \\ R = \frac{6}{5} = 1.2 \: \: ohm$

5.2) Ans;

$\frac{1}{R} = \frac{1}{R1} + \frac{1}{R2} \\ \frac{1}{R} = \frac{1}{8} + \frac{1}{10} \\ \frac{1}{R} = \frac{5 + 4}{40} = \frac{9}{40} \\ R = \frac{40}{9} = 4.4 \: \: ohm$

I hope I helped you^_^

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3 years ago

what percentage of North American adults may be functioning below their potential due to prolonged exposure to stress

Yuliya22 [10]

I believe the percentage is between 15-20%. Stress is a well known factor that affects the performance of people.

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3 years ago

An example of a decomposition reaction is

OlgaM077 [116]

A.is an example of decomposition reaction.

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3 years ago

Need an answer pls!!!<br><br><br><br><br><br> will give brainliest

solmaris [256]

Answer:

i think your answer is C

Explanation:

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3 years ago

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Density of water is 1000kg/m3. Find out the amount of mass of 5m3 water

Licemer1 [7]

Answer:

5000 m³

Explanation:

density = mass / volume

mass = density × volume

mass = 1000 × 5

mass = 5000 ( kg )

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3 years ago