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We know that 10% play team sports, that means 700*0.1=70 students play team sports. Out of those 70, 36 students play football, 22 play both sports, that means 36-22=14 play football only. Let's draw a di...

Subtract the 2nd equation from the first: 2x--2x+y+6y=5-2 <=> 7y=3 <=> y=3/7Input the value of y into one of the equations: 2x+3/7=5 <=> 2x=(35-3)/7 <=> x=16/7

The general rule for differentiating functions such as 4x^3 is called the power rule.This formula goes by dy/dx of [x^n] = nx^(n-1)Now this may seem complicated but with examples hopefully it should becom...

Por un lado, está claro como el agua que si hay beneficiosos de la tecnología. Nos permite hablar y quedarse en contacto con amigos lejos que residen en otros países, algo bastante útil en nuestro mundo. ...

Factorising basically means put whatever equation you are given into brackets. So, E.g. x² + xFirst you want to look for a common factor which here is X. Therefore, the answer would be x(x+1).T...