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Alex777 [14]
3 years ago
11

A local restaurant caught on fire due to grease on the kitchen. If Fireman Greg put out 1/6 of the fire and Fireman Raul put 3/7

of the fire how much of the fire did Greg and Raul put out together?
Mathematics
1 answer:
gayaneshka [121]3 years ago
5 0
1/6+3/7 least common denominator is 42 so...
7/42+18/42= 25/42
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The American Civil War was a civil war in the United States from 1861 to 1865, fought between northern states loyal to the Union
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Why do phase changes occur?

1. Compare: Set the Water temperature to 0 °C and click Play. Observe the water molecules.

Click Reset, set the Water temperature to 100 °C, and click Play again.

What do you notice? The water molecules are moving slightly faster at 100 °C than at 0 °C.

[Note: This difference may be too small to observe easily.]

2. Observe: Click Reset. The mean molecular speed of the water molecules is displayed

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A. How does the mean speed of the water molecules change as they are heated?

The average speed of water molecules increases as they are heated.

B. Does the mean molecular speed change as much as the temperature as the

water heats up? Explain.

Sample answer: For each degree of temperature change, the mean molecular

speed increases by about 1 m/s. At 100 °C, the mean molecular speed is about

17% faster than at 0 °C.

3. Explain: How is temperature related to the motions of molecules?

The higher the temperature, the faster the molecules move.

4. Observe: Click Reset. Set the Water temperature to 20 °C and the Ice volume to 50 cc.

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The molecules of the liquid collide with the molecules of solid, gradually breaking the bonds

between the molecules in the solid and causing the ice to melt.

Step-by-step explanation:

7 0
2 years ago
X+y+z=2<br> 5x+5y+5z=3<br> 4x+y-3z=-6
aniked [119]

Answer:

:)

Step-by-step explanation:

Examples: 1+2, 1/3+1/4, 2^3 * 2^2

(x+1)(x+2) (Simplify Example), 2x^2+2y a x=5, y=3 (Evaluate Example)

y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example)

5 0
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