Top answers

Why is the left ventricle thicker than the right ventricle?

The right ventricle only pumps blood to the lungs, which are very near the heart. The left ventricle needs to pump blood to the eintire body, so the greater distance requires higher pressure to make sure the...
MS
Answered by Marie S. • Biology tutor
22579 Views

How do I put forward a persuasive argument?

A key thing to remember when writing an English essay is that you need to back up every point you make. This doesn't have to be a hard-and-fast rule but try and think of the structure: Point-->Evidence--&...
HC
6194 Views

A 12V lamp, 36W is switched on for 1 hour. Find the energy supplied by the battery.

E = P*t = 36 * 3600 = 1.3 * 10 5 J
RA
Answered by Rishabh A. • Physics tutor
4553 Views

Find the determinant of a 2*2 matrix.

[1 -2; -5 -4] determinant = {1 * (-4)} - {-5 * (-2)} = -4 - 10 = -14
RA
Answered by Rishabh A. • Maths tutor
4711 Views

How do I find the roots of a quadratic equation?

A quadratic equation is an equations of the form: ax 2 + bx + c = 0 (1) where a is not 0. The ways of finding the roots are: quadratic formula, factorising, substituting, completing the square. Today, I'll c...
CM
Answered by Catriona M. • Maths tutor
4838 Views