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15 machines work at the same rate. Together, the 15 machines can complete an order in 8 hours. 3 of the machines break down after working for 6 hours. The other machines carry on working until the order is complete. In total, how many hours does EACH

The total number of 'machine hours' needed to complete an order is (15x8) = 120 hoursThe total number of hours worked by the broken machines = (6x3) = 18 hoursTherefore the total number of machine hours need...
ER
Answered by Ethan R. • Maths tutor
6533 Views

f is a function such that f(x)=2/(3x-3) Find the inverse function and ff^-1

As demonstrated on whiteboard
KM
Answered by Kieran M. • Maths tutor
4145 Views

Express 4x/(x^2-9) - 2/(x+3) as a single fraction in its simplest form.

Please refer to the link below as I found it very difficult to demonstrate the answer and couldn't seem to access the whiteboard function.file:///C:/Users/exr854/OneDrive%20-%20University%20of%20Birmingham/A...
ER
Answered by Ethan R. • Maths tutor
3697 Views

Evaluate Bentham's act utilitarianism.

Bentham's act utilitarianism is a consequentialist, hedonistic ethical theory, which seeks to provide a means of determining which course of action is the most moral one available to an agent in a given situ...
JS
7434 Views

Write me a descriptive piece of writing.

I would then check the students piece of writing, pointing out the need for paragraphs. We could then brainstorm different adjectives they could have used. I would also tell them my trick to describe the 5 s...
JW
5167 Views