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How many three-digit numbers start with a digit multiple of 3 and can be devided by 2 without a reminder?

Students are often troubled with combinatorics questions. TMost of them have never been given a proper explanation for the formulas for combination, variation, and permutation.

In the giv...

Answered by Kristiyan T. • Maths tutor

2366 Views

Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job?

In order to simplify the problem, I will solve it without using fractions.

First, we should find the least common multiple(LCM) of the days needed for Jack and Richard to paint a house. ...

Answered by Kristiyan T. • Maths tutor

4398 Views

GCSE Maths - Solve the equation (2x+3)/(x-4) - (2x-8)/(2x+1) = 1 Give your answer to 2 decimal places.

This is an A* level GCSE Maths question. 'Solve' means we need to find what value x represents, but in the question this x appears on the denominator (bottom half) of the fractions which we can't use. ...

Answered by Abi R. • Maths tutor

7566 Views

What areas do you specialise in?

My honours degree was in geography and sociology. Therefore, I can help engage you with a broad range of political, social and environmental theories (and the ways in which they intertwine!)

Answered by Laurie K. • Geography tutor

3564 Views