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I don't know what I am doing when I solve differential equations using the integrating factor and why does this give us the solutions it does?

Start by looking at the form of equation where we can use the integrating factor:y' + f'(x)y = g(x) The general principle of this method is that by multiplying our expression by some function of x it ...

OB
2168 Views

"The ideas of the Enlightenment were the main reason revolution broke out in France in 1789" Explain why you agree or disagree with this view

The ideas of the Enlightenment were a major reason behind revolution breaking out in France in 1789. This is because Enlightenment ideas of liberalism, egalitarianism and equality spread rapidly in France...

KW
Answered by Katya W. History tutor
11707 Views

A quarter circle has a radius of 8, calculate the area giving your answer in terms of pi

area of a circle = pi x radius^2
64pi/4 = 16pi
Student must be aware of the equation for the area of a circle and that they must divide by 4 to get the answer here

SD
Answered by Sam D. Maths tutor
7379 Views

A zinc chloride solution (ZnCl2) is prepared by reacting zinc carbonate with dilute hydrochloric acid, write the balanced equation for this reaction

ZnCO3 + 2HCl --> ZnCl2 + H2O + CO2
Student must be aware of the formula for a carbonate (CO3) and how to balance the equation. I leave the balancing to the end to make sure I have written the equa...

SD
Answered by Sam D. Chemistry tutor
7244 Views

2435 units of gas used in November, costing 4.12p per unit. The gas company also charge 9.43p per day. The total cost has an additional 5% in VAT. What is the gas bill for the month of November?

30 days in November; (30 X 9.43) = 282.9p (2435 X 4.12) = 10032.2p (10032.2 + 282.9) = 10315.1p 5% in VAT so total price is 105% of 10032.2p Convert 105% to decimal; 1.05 (1.05 X 10315...

AG
Answered by Andrew G. Maths tutor
3144 Views

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