Solve the simultaneous equations x^2+y^2=1 and x+2y=1
x=1,y=0 or x=-3/5,y=4/5
Related Maths GCSE answers
All answers ▸Make y the subject of this formula: 9x = p(8 + y) + 5
In a bag of 25 coloured balls, 7 are orange, 6 are yellow and the rest are green. Laura picks out a ball and records its colour but doesn't return it to the bag, she then repeats this twice more. What is the probability of Laura getting 3 yellow balls?
