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Factorise the following a) 8x + 6y b) 7xy + 3xzy c)5xyz - 20x^2y^2z

In order to factorise successfully, we have found the highest common factor for part a,b and c (the highest number that can be divided exactly into each of the terms) and placed these outside of the br...

Answered by Dhrushee S. • Maths tutor

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A rocket travels at 500m/s two minutes after its take-off. If it was initially stationary, calculate its acceleration. If the rocket has a mass of 1800kg, what force is required to give it an acceleration of 2m/s^2?

a) Acceleration is the rate of change of velocity of an object

In this case, the equation that we will use to calculate it is

a = (v - u )/ t

Answered by Dhrushee S. • Physics tutor

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What does it mean to differentiate a function?

A function represents a quantity. For example the function s = (6t² + 4t) m, could represent displacement. The unknown t is inputted to find the displacement an object travels at a certain t...

Answered by Neha J. • Maths tutor

5002 Views

What factors cause the aggregate demand curve to shift?

The equation for aggregate demand is defined as C+I+G+(X-M) where C is consumption by households on things such as cars, furniture and petrol, I is investment by firms in new technology, factories and inv...

Answered by Jake H. • Economics tutor

11246 Views

What is Pareto efficiency?

A situation, allocation or outcome is Pareto efficient if no one party can be made better off without another being made worse off. The outcome of a perfectly competitive market is Pareto efficient wherea...

Answered by Jake H. • Economics tutor

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