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How do you divide polynomials? How do you do it with remainder?

I'll show you on a whiteboard or a piece of paper, there's a nice grid method you can use which is a lot easier (I think) than the weird long division way I got taught in school.
TD
Answered by Tutor115090 D. • Maths tutor
3792 Views

A buffer solution is made with a pH of 5.000. Solid sodium ethanoate, CH3COONa, is added to 400 cm^3 of 0.200 mol dm^–3 ethanoic acid (Ka = 1.75 × 10^–5 mol dm^–3). Calculate the mass of sodium acetate that must be dissolved in the acid to prepare this

There are three steps: Calculate [CH 3 COO – ] using the equation for K a Calculate the moles of CH 3 COO – using the equation concentration = moles/volumeCalculate the mass of CH 3 COONa using the equation ...
FB
Answered by Felix B. • Chemistry tutor
15726 Views

Given that (2x-1) : (x-4) = (16x+1) : (2x-1), find the possible values of x

The question tells us the ratio between two algebraic expressions is the same as the ratio between 2 other algebraic expressions. So, we can re-write the equation as (2x-1)/(x-4) = (16x+1)/(2x-1)Re-arrange a...
PM
Answered by Pav M. • Maths tutor
19550 Views

How does F Scott Fitzgerald convey an admiration for excessive wealth in the opening scene of Tender is the Night?

The surreal image of this place aids the clear portrayal of excessive wealth, prominent throughout, which is closely linked to the worshipping of luxury. For example, the "large, proud, rose-coloured ho...
HL
4510 Views

How are nerve impulses transmitted across a synapse?

Nerve impulses travel in one direction from the pre-synaptic to the post-synaptic neuron across a gap called a synapse. This is done to continue a nerve impulse so that it can reach its destination in the bo...
EH
Answered by Elizabeth H. • Biology tutor
9145 Views