Top answers

How do you find the tangent of an angle in a right-angled triangle?

Divide the length of the opposite side by the length of the adjacent side
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Answered by Lydia W. • Maths tutor
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What is Kirchoff's first law?

The sum of multiple currents going into a junction equals the sum of the currents leaving it. I1 + I2 = I3
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Answered by Lydia W. • Physics tutor
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Name the first stage of respiration. How many net ATP molecules are produced?

Glycolysis - 2 ATPs (net) are produced. 2 are input into the reaction and 4 are produced as a result.
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Answered by Lydia W. • Biology tutor
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How to work out a fraction of an amount?

The key rule is to divide the amount by the denominator and multiply by the nominator. E.g: 3/5 of 45£ divide by the denominator 45/5=9 multiply by the nominator 9*3=27
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Answered by Augustina B. • Maths tutor
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What is the conservation of energy?

Energy comes in many forms (e.g. chemical, potential, kinetic). We say that energy is transferred when it changes from one form to another. The conservation of energy means that in a closed system the amount...
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Answered by Augustina B. • Physics tutor
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