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valkas [14]
3 years ago
5

Metal Melting Point (°C) Boiling Point (°C) Density in Solid State (g/cm3) Copper 1,083 2,567 8.3–9.0 Lead 327.3 1,750 11.3 Gold

1,063 2,660 19.3 A scientist has a sample of each of the metals listed in the table above. All three samples have the same mass. Of the three samples, the sample of _______ will change from a liquid to a gas at the highest temperature, and the sample of _______ has the greatest volume. A. gold; copper B. copper; gold C. copper; lead D. gold; gold
Mathematics
2 answers:
WINSTONCH [101]3 years ago
8 0
Based from the given data of the metals' melting point, boiling point, and density, the answer is A. The sample of gold will change from liquid to a gas at the highest temperature, and the sample of copper has the greatest volume. Gold has the highest boiling point of 2660 while copper has the lowest density which can correspond to a large volume knowing that the density is mass over volume. 
Darya [45]3 years ago
3 0

Answer:A

Step-by-step explanation:

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Steve will roll a number cube, numbered 1-6, twice. What is the probability
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Answer:

25%

Step-by-step explanation:

First we calculate the probability of rolling a number greater than 3, that is, it can be 4, 5 or 6.

The probability of each number is 1/6, so:

P1 = (1/6) + (1/6) + (1/6) = 3/6 = 1/2

Then, we calculate the probability of rolling a prime number, that is, 2, 3 or 5.

As we have again 3 numbers, the probability P2 will also be 1/2

Then, the final probability is the product of both P1 and P2:

P = P1 * P2 = (1/2) * (1/2) = 1/4 = 25%

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Which of the following will not have congruent diagonals
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For the dinner special at a restaurant, the customer must choose an appetizer, a salad, an entree, a side dish, and a dessert. H
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Answer:

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Step-by-step explanation:

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Possible items to choose from = 16.

They are 1. Appetizer Chicken strips, 2. Shrimp cocktail, 3. Buffalo wings, 4. Potato skins, 5. Salad Garden, 6. Caesar Entree T-bone steak, 7. Pot roast, 8. Lamb Side dish Corn, 9. Rice, 10. French fries, 11. Baked potato, 12. Pinto beans, 13. Dessert Chocolate cake, 14. Brownies, 15. Ice cream, 16. Apple pie

This is a combination problem requiring a combination solution with the following formula and steps:

C (n, r) =? C (n, r) = ?

n choose r

n (objects) =  16

r (sample) =  5

C (n, r) =? C (n, r) = ?

C (n, r) =C (14,5) C (n, r) =C (16,5)

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Naya [18.7K]

Answer:

20% is the correct answer

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Marta_Voda [28]

Answer:

84%

Step-by-step explanation:

3360/4000=.84

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8 0
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