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One of the teachers at a school is chosen at random. The probability that this teacher is female is 3/5. There are 36 male teachers at the school. Work out the total number of teachers at the school.

Assuming that every teacher at the school is either male or female, we can work out that the probability that the teacher chosen at random is male is 2/5, because 1 - 3/5 = 2/5, and therefore we know that tw...
RM
Answered by Rajan M. • Maths tutor
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How can companies improve motivation within a workforce?

A common problem faced by businesses is with regards to employee motivation. Unmotivated employees can have consequences on a business, such as decreased efficiency and therefore productivity. This can incre...
OT
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Solve the following simultaneous equations: x^2 + y^2 = 5, y - 3x = 1.

Begin by rearranging equation 2 so that it is in the form y = ... Substitute this into equation 1 Expand the brackets and simplify the equation so that it is in the form Ax^2 + Bx + C = 0 Factorise this quad...
DO
Answered by Daniel O. • Maths tutor
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How do I break down an essay question to make sure I approach in the best way?

The very first thing to do is to read the question twice. Highlight the key words. IB History essay questions can be very short and very broad, or the question can be immensely detailed; either way, it's imp...
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Answered by Josephine S. • History tutor
3239 Views

Find the value of cot(π/3)

Pi radians is equal to 180 degrees . Radians are a unit of measurement for angles, just like degrees are, and pi is just the number of radians that makes up that angle. 180 divided by 3 is 60 so we get cot(6...
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Answered by Stefan D. • Maths tutor
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