Question 1
The mean of five numbers is 15 and the mean of further eight numbers is 2. Calculate the mean of all thirteen numbers.
Answer
Question 2
Make x the subject of the formula in
Answer
Question 3
Find the value of x in the equation
Answer
Question 4
Expand the binomial (2 – ¼ x)5
Using the first 4 terms of the binomial above solve for 1.755
Answer
Question 5
Find the inverse of the matrix
Hence determine the point of intersection of the lines
Answer
