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givi
1 month 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:
lawyer [12.5K]1 month ago
8 0
Based on the provided information about the metals' melting point, boiling point, and density, the response is A. The gold sample transitions from liquid to gas at the highest temperature, while the copper sample occupies the most volume. Gold's boiling point is the highest at 2660, and copper has the lowest density, which correlates with a larger volume since density is defined as mass divided by volume. 
Leona [12.6K]1 month ago
3 0

Response:A

Detailed explanation:

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In 2010, Rafik bought a house. In 2015, Rafik sold the house to Bianca. He made a 20% profit on the sale. In 2019, Bianca sold t
zzz [12365]

Answer:

£170,000

Step-by-step explanation:

En 2010, Rafik adquirió una casa. Supongamos que el precio de compra fue $x. En 2015, Rafik vendió la casa a Bianca obteniendo un 20% de ganancia. Esto se traduce en 20% de x lo que equivale a 0.2 × x = 0.2x. Por tanto, Rafik vendió la casa a Bianca por x + 0.2x = 1.2x. Bianca compró la casa a 1.2x.

La casa fue vendida por Bianca en 2019 con una pérdida del 5%. Esto implica que el 5% de pérdida equivale a 0.05(1.2x) = 0.06x.

Por consiguiente, la venta de la casa por Bianca se realizó a 1.2x - 0.06x = 1.14x. Dado que la casa se vendió por £193,800.

⇒ 1.14x = 193,800

x = 193,800/1.14

x = £170,000

Rafik pagó £170,000 por la casa en 2010.

7 0
3 months ago
21<br> 22<br> 01:39:07<br> The cost, c, of a ham sandwich at a deli varies directly with the number of sandwiches, n. If c = $54
PIT_PIT [12445]
The price for 3 sandwiches amounts to $18. Since the cost, c, of a ham sandwich directly correlates with the quantity, n, and is told that c equals $54 for 9 sandwiches, the cost per sandwich is $6. Multiplying $6 by 3 gives a total of $18.
5 0
2 months ago
What algebraic expression represents GK, if GK =37, what are GH and JK. GJ=4x+2 and HK=6x-1
Inessa [12570]
The outcome is "GK=37, GH=14, and JK=19".

The problem references a missing attachment file, thus please find it attached.

The provided values are:

GJ=4x+2

HK=6x-1

Given GK =37

Need to calculate:

HJ=?

From GK: GK = GJ+JK yields GJ+(HK-HJ)

= 4x+2+((6x-1)-x) yields

9x+1...(a)Substituting (a) into the equation gives: 9(4)+1 yields 37 solves to x=4... for answer (b) and (c). Substituting x=4 yields:

GH=14 and JK=19.
8 0
2 months ago
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
lawyer [12517]
The response indicates that the test comprises 10 questions worth 3 points each and 14 questions worth 5 points. If there are any queries, feel free to ask!!! Thank you!
8 0
2 months ago
Read 2 more answers
A factory produces 5-packs of pencils. To be within the weight specifications, a pack of 5 pencils should weigh between 60 grams
zzz [12365]
Given:
1 pack = 5 pencils and cardboard.
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60g < x < 95g; where x signifies 1 pack.

Cardboard: 15 grams.

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60g - 15g = 45g is the minimum total weight of 5 pencils.
45g / 5 = 9g is the minimum weight for a single pencil.

9 < x < 16; where x represents a single pencil in the pack.

8 0
1 month ago
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