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How do I calculate the length of a regular pentagon's edge when I know that it has the same perimeter as a triangle who's perimeter is 30cm?

The first thing I would do is sketch a diagram of a triangle and a pentagon. I find that tutees learn best when they can see what's going on so this makes the explanation easier to understand. After having s...
JA
Answered by Jason A. • Maths tutor
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What is phagocytosis?

Phagocytosis is when a white blood cell - or "phagocyte" - engulfs a pathogen that has entered the body and has made it past the body's physical barrier defences.The phagocyte first locates the pat...
BK
Answered by Beth K. • Biology tutor
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‘Othello’ – William Shakespeare ‘Ultimately it is hard to see Emilia as anything other than a tragic victim of male power and malice.’ To what extent do you agree with this view? [...] comment on Shakespeare’s dramatic methods.

Introduction - setting the scene for the question (in an exam setting, context can be important, but what's more vital is conceiving of your thesis, laying it out and giving evidence for why you think this)....
KS
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The curve C has the equation y = 1/2x^3 - 9x^3/2 + 8/x + 30, find dy/dx. Show that point P(4, -8) lies on C

y = 1/2x^3 - 9x^3/2 + 8/x + 30y = 1/2x^3 - 9x^3/2 + 8x-1 + 30dy/dx = 3/2x^2 - 27/2x^1/2 - 8x^-2 + 0dy/dx = 3/2x^2 - 27/2x^1/2 - 8/x^2substitute x=4 into equation for yy = 1/2(4)^3 - 9(4)^3 + 8/4 +30y = 32 - ...
Answered by • Maths tutor
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What is a V-I cadence?

A V-I cadence is a perfect cadence or a cadence that sounds finished. Many works finish with a perfect cadence. If you're in the key of C major you count the fifth note in the scale which is a G and create a...
EL
Answered by Emily L. • Music tutor
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