Solve the simultaneous equation: 3x+2y=8, 2x+5y=-2?
6x+4y=16, 6x+15y=-6
11y=-22
y=-2
3x=8+4=12 x=4
x=4, y=-2
TE
Related Maths GCSE answers
All answers ▸Examine the sequence 1 + 1/3 + (1/3)^2 + … + (1/3)^n Under what condition does it converge? What does it converge to?
Divide £700 in the ratio 5:3:2
Solve the quadratic equation X^2+3X+2=0 by factorisation.
A t-shirt is in two shops, both of which has it on sale. In shop A, the t-shirt originally cost £15, but has been reduced by 30%. In shop B, it used to cost £17 and has been reduced by 40%. In which shop is the t-shirt now cheaper, and by how much?