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How does temperature relate to the structure of solids and liquids?

Temperature is defined as the average kinetic energy of a substance, and it is what determines whether an object is a solid or a liquid. When the temperature is low, the average kinetic energy of the substan...
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Answered by Aditya R. • Physics tutor
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What is the basic economic problem?

The economic problem – sometimes called basic or central economic problem – asserts that an economy's finite resources are insufficient to satisfy all human wants and needs.
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Answered by Drishti P. • Economics tutor
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In trigonometry , how do you find the angles of a right angle triangle?

In order to do that, and this only works for right angled triangles, is using the sine, cosine, and tangent rules. An easy way to remember this is by using the acronym SOH, CAH, TOA that my teacher taught us...
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Answered by Paulina W. • Maths tutor
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Solve: 4(3x − 2) = 2x - 5

The question is asking us to find the value of x. First, we need to multiply the brackets out. To do this, multiply everything in the bracket by 4 so 4 3x=12x and 4 -2=-8 this gives the equation 12x - 8 = 2x...
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Answered by Ellecia S. • Maths tutor
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Find the equation of the straight line passing trough the points (-2,1 ) and (1, 4).

Firstly you need to understand the question. It asks for the equation of a straight line, which is linear, thus of the form y = mx+c. Now, knowing that the equation is of that form we firstly need to find th...
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Answered by Alin G. • Maths tutor
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