Top answers

All subjects
All levels

What is crossing-over?

In prophase I of meiosis, homologous, non-sister chromatids form connections called chiasmata at matching loci. The complex then splits to give chromatids with different combinations of genes than were pr...

ES
Answered by Emma S. Biology tutor
2900 Views

(i) Find the gradient of the straight line passing through the points: (0,3) and (9,21). (ii) Write down the equation of the line in form y = mx + c

(i) To find the gradient of a straight light, we take any two (different) points on the straight line and compute the change in Y divided by the change in X. So here this is; (21-3)/(9-0) = 18/9 = 2. So t...

CG
Answered by Charlie G. Maths tutor
4764 Views

Factorise completely x − 4 x^3

= x(1-4x^2)From difference of two squares method,= x(1-2x)(1+2x)

CT
Answered by Christopher T. Maths tutor
5875 Views

How do you work out the direction and strength of the force on a current carrying wire in a magnetic field?

The magnitude of the force is given by F = BILsin(θ) . I is the current flowing through the wire, L is the length of the wire in the magnetic field and B is the magnetic field strength. The angle θ, is th...

AP
Answered by Adam P. Physics tutor
2581 Views

Solve the simultaneous equations; 2x + y = 18; x + 3y = 19.

Start by selecting a variable to eliminate from the equations. --> Select x in this case.Take the second equation and multiply by 2. --> 2x + 6y = 38Subtract the first equation from this answer. --&...

MA
Answered by Mark A. Maths tutor
3621 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning