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The straight line L1 passes through the points (–1, 3) and (11, 12). Find an equation for L1 in the form ax + by + c = 0, where a, b and c are integers

When finding the equation of a straight line there are two important figures to calculate. The first being the gradient (the slope of the line) and the second being the y intercept (where the line crosses th...
RB
Answered by Ruby B. • Maths tutor
20471 Views

Why are the theoretical and Born Haber lattice enthalpies different?

The theoretical Born Haber enthalpy assumes a perfect ionic model where the attraction between the ions is purely electrostatic and the ions are purely spherical. The Born Haber lattice enthalpy is the real ...
AV
Answered by Amit V. • Chemistry tutor
9862 Views

Use Simpson's rule with 5 ordinates (4 strips) to find an approximation to "integral between 1 and 3 of" 1/sqrt(1+x^3) dx giving your answer to three significant figures.

Just as a note before I start, some of the symbols I use here will be horribly confused, this won't be an issue with a whiteboard but doing maths in a text editor is not great so I've had to make do. Taking ...
DA
Answered by Dominic A. • Maths tutor
10477 Views

"Labour's 1945 victory in the general election was a result of Conservative mistakes"- Discuss.

The poor electoral tactics of the Conservative party in the 1945 election arguably influenced their campaign result. Despite Churchill’s wartime popularity, Conservative tactics to focus exclusively on their...
JG
Answered by Josh G. • History tutor
3337 Views

In what way is the following sentence grammatically incorrect? - "Il faut que je fais un effort."

Certain phrases in french trigger the subjunctive mood; 'il faut que...' is an example of this. In terms of grammar, this means that 'faire' must be conjugated differently to how you would usually conjugate ...
GB
Answered by Gemma B. • French tutor
3197 Views