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what are isotopes and why do they have the same properties?

Isotopes are atoms of the same element that have the same proton number but different nucleon number. TRAIN OF THOUGHT --- Isotopes have the s...

Answered by Sito E. • Chemistry tutor

2655 Views

Solve x^(-1/4) = 0.2

Get both sides in similar forms to make it easier to solve.1/x^1/4 = 1/5x^1/4 = 5x = 5⁴ = 625

Answered by Salma E. • Further Mathematics tutor

5334 Views

A curve has equation y = ax^2 + 3x, when x= -1, the gradient of the curve is -5. Work out the value of a.

The gradient of a curve at a point is given by dy/dxDifferentiate the equationplug in the valuesdy/dx = 2ax + 3x = -1, dy/dx = -5-5 = 2a*-1 + 38 = 2aa = 4

Answered by Salma E. • Further Mathematics tutor

5923 Views

Sources: How do I analyse and understand a source?

The evaluation and critique of sources is part of the foundation of historical understanding, as a result, sources are extensively used throughout the GCSE and A Level programmes. At GCSE level, source pa...

Answered by Cordelia D. • History tutor

3724 Views

I'm having trouble understanding and remembering the Utilitarianism Felicific calculus, can you help me remember it?

First of all, don't panic. Every philosopher gets their head into a spin with theories, and if they don't they probably aren't understanding it all...
So Bentham's Utilitarianism can be broken down r...

Answered by Lorna T. • Philosophy tutor

4741 Views