Find the value of (81)^(-1/2)
1/9
BH
Related Maths GCSE answers
All answers ▸Peter is 180cm tall, correct to 2 significant figures. Alice is 150cm tall, correct to 2 significant figures. What is the upper and lower bound of the difference in their heights?
Solve the following simultaenous equations
Find the x co-ordinates where the curve y=x+1 and y= x^2 +1 cross?
Factorise x^2 −x−12