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Triangle ABC has perimeter 20 cm. AB = 7 cm. BC = 4 cm. By calculation, deduce whether triangle ABC is a right-angled triangle.

This is a question I recently tackled with one of my tutees from the edexcel GCSE specimen papers. I would begin to tackle any geometry question like this by drawing the triangle in question. We are given...

CH
Answered by Carter H. Maths tutor
4942 Views

In ecology, what does the phrase 'carrying capacity' refer to and what factors may determine it?

Carry capacity refers to the maximum population size a species can reach in a particular environment.Important factors in determining carry capacity (among others):Food availabilityPredator population siz...

JG
Answered by Jacob G. Biology tutor
2837 Views

How should I structure the coursework essay I have been set?

The easiest way to structure your coursework essay is through a rigid plan that you religiously stick to. Before you go to write the essay create an essay plan that runs through your argument by thematica...

DD
Answered by Daniel D. History tutor
2592 Views

What is the gradient of a line with the equation y=4x+5?

The Gradient is 4, this is because this is a straight line graph and it is in the form of y=mx+c, with m being the gradient and c being the y intercept. If the equation was y=6x+3, the gradient would be 6...

TM
Answered by Tom M. Maths tutor
12216 Views

A circuit with a voltage source of 18V, has 3 resistors all connected on parallel, values at 2ohms, 6ohms and 7.5ohms. Find the total circuit resistance, and then subsequently, the total current supplied and power dissipated in the curcuit.

The total resistance is found by the addition of resistors in parallel, in the equation (1/RT)=(1/R1)+(1/R2)+(1/R3), therefore the total resistance is 1.25ohms....

HM
Answered by Harrison M. Physics tutor
1517 Views

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