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Rearrange the following to make m the subject: 4(m - 2) = t (5m +3)

Expand the brackets: 4m - 8 = 5tm + 3t Collect all m variables to one side: 4m - 5tm = 3t + 8 Take a factor of m out: m(4 - 5t) = 3t + 8 Divide both sides by (4 - 5t): m = (3t + 8) / (4 - 5t)
ED
Answered by Emanuel D. • Maths tutor
5368 Views

Rationalise the denominator of (6 + 5√3 )/√3 Give your answer in its simplest form.

A key component of using Surds is knowing how to multiply them. As such √3 x √3 = 3, √4 x √4 = 4 and so on. The √ sign means the root of this number. On to the Question given we are asked to rationalise the ...
AF
Answered by Adam F. • Maths tutor
7630 Views

Solve for x: y=x^2-x-12

Apply the quadratic formula with a=1, b=-1, c=-12. This gives x=(1 plus or minus 7)/2 or x=4,-3.
TM
Answered by Tomas M. • Maths tutor
3621 Views

Solve the simultaneous equations - x+y=2 and 4y^2 - x^2 = 11

The objective of simultaeous equations is to be able to work out two unknowns by using two equations in which they are both involved. The first step is to label the equation x+y=2 as equation 1 and 4y 2 - x ...
KC
Answered by Keshlee C. • Maths tutor
16343 Views

Find the nth term in the series: 3, 7, 11, 15, 19

Find the difference between each value. 7-3, 11-7 ... For this series the difference is 4. The nth term is then 4n + or - a constant. The series is 3, 7, 11.. each of these is 1 below a multiple of 4. 4 1- 1...
HW
Answered by Hermione W. • Maths tutor
34205 Views