Top answers

Why is the left side of the heart bigger than the right side of the heart?

Core: The muscle of the left ventricle is significantly thicker than the muscle of the right ventricle - recall that the ventricles are the chambers which contain the blood before it leaves the heart (as opp...
FD
52484 Views

Find an equation of the straight line that is perpendicular to the straight line x + 3y = 7 and that passes through the point (4,9).

y = 3x - 3
VP
Answered by Vikesh P. • Maths tutor
3751 Views

Solve x^3=1 giving all the roots between -pi<=theta<=pi in exponential form

x^3=1=e^2(pi) i k x=e^2(pi) i k/3 The three roots are k=0 x=1 k=1 x=e^2(pi)*i/3 k=-1 x=e^-2(pi) i k/3
AA
3629 Views

How do I answer paper 1?

Paper 1 is an unseen commentary paper. It can seem tricky at first but once you get the hang of it you can do very well on this paper! I think its helpful to have a formula of how to answer these questions (...
EP
Answered by Esther P. • English tutor
10764 Views

solve: x^2= 4(x-3)^2

x^2= 4(x^2 - 6x + 9) x^2= 4x^2- 24x + 36 3x^2 - 24x + 36= 0 (x-2)(x-6)=0 x= 2 or x=6
GK
Answered by Ghazn K. • Maths tutor
3687 Views