Top answers


Find the mean, median, mode and range of this data: 2, 5,6,12,5

To find the mean you must add all of the numbers together (2+5+6+12+5) and divide by how many numbers you have in your data set (5). Mean = 30 : 5 = 6 To find the median you must first order your numbers fro...
JT
Answered by Jonathan T. Maths tutor
10983 Views

What are purpose and result clauses?

A purpose clause, as highlighted in the grammatical expression, explains why an action has taken place i.e why something happens. e.g The boy walked to the shop (in order) to get food. puer ad tabernam ambul...
EB
Answered by Ed B. Latin tutor
31147 Views

How do I factorise 3xy^2 – 6xy fully?

When we factorise, we do so to make the expression more simple. Factorising is when we take common factors from the expression and group them together, and then multiply these common factors by something to ...
MH
Answered by Matthew H. Maths tutor
37294 Views

The polynomial p(x) is given: p(x)=x^3+2x^2-5x-6, express p(x) as the product of three linear factors

p(x)=x 3 +2x 2 -5x-6 =x(x 2 +2x-5)-6 =x(x 2 +2x+1-6)-6 as we know (x+1) 2 =x 2 +2x+1,5 can be expressed 1-6 =x[(x+1) 2 -6]-6 =x(x+1) 2 -6x-6 =x(x+1) 2 -6(x+1) =(x+1)[x(x+1)-6] =(x+1)(x 2 +x-6) here, -6 can b...
JB
Answered by Jingyi B. Maths tutor
15242 Views

Factorise X^2 + 1X -12

Because the highest power of X is 2, this is a Quadratic Equation When factorised, these look like (x + a)(x + b) where a & b are constants To factorise this, we need to find 2 numbers which add together...
JW
Answered by Jack W. Maths tutor
5813 Views