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Maths
GCSE

Express 0.545454... as a fraction in its simplest form.

This problem can be solved by using algebra and rearranging as follows:

Let x = 0.545454...
Then 100x = 54.545454...

If we then subtract x from 100x we g...

PC
Answered by PETER C. Maths tutor
15670 Views

v^2=u^2+2as, make "a" the subject of the formula.

v2 =u2+2asv2-u2=2asa=(v2-u2)/2s as required

ML
Answered by Matthew L. Maths tutor
17769 Views

The probability of getting heads on a biased coin is 0.8. You flip the coin twice. What is the probability of getting one each of heads and tails?

Step 1: Calculate probability of getting tails by subtracting 1-0.8 = 0.2.Step 2: Calculate probability of getting heads then tails by multiplying 0.80.2 = 0.16.Step 3: Calculate probability of gettin...

NR
Answered by Nadya R. Maths tutor
10385 Views

How do you multiply two brackets with two terms in them? For example (2x-3)(x+4)

We use the FOIL method to do this, where FOIL stands for First, Outside, Inside, Last. So in this example we multiply the first term of ...

OA
Answered by Oluwatose A. Maths tutor
3966 Views

Solve the following pair of simultaneous equations: 2y - x = 3, y + 4x = 4

There are 2 main methods for solving simultaneous equations: 1) by substitution, and 2) by elimination. Have a look at how each method works and pick the one that's best for you! In orde...

SP
Answered by Saranya P. Maths tutor
3820 Views

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