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damaskus [11]
3 years ago
14

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. Which of these mate

rials would be useful in conducting heat?
A.
cork
B.
wood
C.
soil
D.
aluminum
Mathematics
2 answers:
zubka84 [21]3 years ago
7 0
The answer is D: aluminum.
Leokris [45]3 years ago
4 0

Answer:

<h2>D. aluminum.</h2>

Step-by-step explanation:

Conductive materials refer to those materials which have lower resistance to the movement of electric charges, the higher this resistance, higher the conductivity, because electrons would move faster.

Think about friction, conductive materials have low friction for electrons to move, that's why the can easily conduct electricity, like metals.

Now, among the options, aluminum is a metal, which means it can easily conduct electric currents, thanks to its internal structure, electrons can travel faster than inside wood, cork or soil.

Therefore, the right answer is D. aluminum.

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In isosceles triangle ABC, AC=BC=20, the measure of angle A=68, and CD is the altitude to side AB. What is CD to the nearest 10t
antiseptic1488 [7]

Answer:

Step-by-step explanation:

Comment

The way the diagram looks when it is drawn is that you are going to need the sine function to solve for the side opposite which is CD.

Formula

Sin(A) = Sin(68 = opposite / hypotenuse     Substitute values.

Solution

sin(68) = altitude (side opposite) / 20       multiply both sides by 20

20*sin(68) = 20* altitude / 20                     substitute for sin(68)

20* 0.9272 = altitude

altitude = 18.5

Answer: 18.5 to the nearest tenth

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2 years ago
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Step-by-step explanation:

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3 years ago
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valentina_108 [34]
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4 0
2 years ago
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romanna [79]
18. 18x1024
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5 0
3 years ago
A triangle has a base of 4 inches and a high of 6 inches
Finger [1]

Answer:

B

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