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OlgaM077 [116]
2 years ago
11

What occurs when thermal energy is moved from one place to another

Mathematics
1 answer:
sveta [45]2 years ago
8 0
Heat can be moved from one place to another by 3 methods: cunduction, which happends in solids, convection, which happends in fluids, and radiation. Conduction occurs when two objects are touching each other. Heat moves from the hot object to the cold object until the two objects are the same temperature. Convection happends when hotter areas of a liquid or gas rise to the colder areas. Both conduction and convection require some form of matter but radiation does not. Radiation does not rely on things in contact with a heat source and what is being heated. For example, we feel the sun everyday and it feels hot but we never touch it. 
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yawa3891 [41]
A is not right. Half the cookie would have an angle of 180
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C is correct. 360/5 is 72 degrees
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5 0
3 years ago
Need the answers to these questions please
Katena32 [7]

Answer:

a) p = 88\,cm, b) p = 24\,cm, c) p \approx 25.424\,m, d) p \approx 39.368\,cm

Step-by-step explanation:

a) The perimeter is the sum of the three sides of the internal square and the remaining sides of the external rectangle, that is:

p = 3\times 8\,cm + 2\times 4\,cm +2\times 20\,cm + 16\,cm

p = 88\,cm

b) The perimeter is the sum of the two sides of the internal triangle and the remaining sides of the external rectangle, that is:

p = 2\times 4\,cm + 2\times 6\,cm + 4\,cm

p = 24\,cm

c) The perimeter is the sum of the two sides of the circular section and the three sides of the lower rectangle, that is:

p = \frac{\pi}{2}\times 6\,cm + 8\,cm + 6\,cm + 2\,cm

p \approx 25.424\,m

d) The perimeter is the sum of the external sides of the triangle and rectangle, that is:

p = 10\,cm + 12\,cm + 12\,cm + 12\,cm - \sqrt{(12\,cm)^{2}-(10\,cm)^{2}}

p \approx 39.368\,cm

5 0
3 years ago
Dylan's Dog weighs 12 times as much as his pet Rabbit. The Dog and Rabbit weigh 104 pounds altogether. How Much does Dylan's Dog
aleksley [76]
When r is the weight of the rabbit:
13r = 104
/13   /13
r = 8
Now, subtract:
104
<span>-   8
</span>= <span>96
</span>Dylan's dog weighs 96 pounds.
Hope this helps!
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2 years ago
Solve the combined inequalities <br>6-2x&lt;=12 or 7+2x&lt;-11
Debora [2.8K]
 <span> x = 113/42 = 2.690 this is the answer I think hope it is correct I checked it tho














</span>
5 0
3 years ago
What is the value of sin(A)?
Rama09 [41]

Answer:

3/5

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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