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Express x*2 + 10x - 3 in the form (x+p)*2 + q

Step 1 - half the "x" coefficient = +5 Therefore p = +5 and place in brackets (x+5) 2 Step 2 - square the value of p and subtract 5*2 = 25 (x+5) 2 - 25Step 3 - add the number with no x (x+5) 2 - 25...
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Answered by Chloe S. • Maths tutor
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Describe the process of the Krebs cycle.

Acetyl CoA (2 carbon compound) from the link reaction combines with a 4 carbon compound called oxaloacetate. This reaction releases the CoA enzyme allowing it to be re-used. The now 6 carbon compound (citric...
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Answered by Chloe S. • Biology tutor
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The Cuban Missile Crisis was a triumph for the Soviet Union (1962-1964)

Revisionist historians believe that the Cuban Missile Crisis was a success for the Soviet Union on the long-term. Nuclear war was avoided, the missile gap reduced and Cuba protected from the United States – ...
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Answered by Luca P. • History tutor
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What is Sociology?

Broadly speaking, Sociology is a study of the society. This includes individual people, groups of people, interactions, cultures and so on. Sociology looks at things like families, schools and other institut...
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Answered by Ieuan L. • Sociology tutor
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£X was invested for 5 years, earning compound interest of 2% per year. After 5 years the total value of the investment was £11,040.81. How do I calculate the value of the invested amount £X?

We know that to calculate the final value V of an investment of £ X after t years, earning an interest rate of r being compounded annually, we use the following Compound Interest formula: V = X * (1 + r ) t ...
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Answered by Vishal P. • Maths tutor
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