Top answers

All subjects
GCSE

Discuss how the cardiovascular system adapts to long term aerobic exercise.

In response to aerobic exercise (longer durations at a lower intensity using oxygen), the cardiovascular (CV) system adapts over time to become more efficient. Adaptions include cardiac hypotrophy where t...

AJ
2563 Views

Calculate y=4x-6 when x=3

Firstly we have an equation y=4x-6. We are given that x=3 and we want to find y. What we must do is substitute x=3 into the equation to get y: y=4(3)-6 =6

SU
Answered by Sinan U. Maths tutor
4575 Views

Expand and simplify (3x^2 + 2)(2x + 5) – 6x(x^2 – 3)

First, multiply out 6x(x^2 - 3) so that it becomes – 6x^2 – 18xThen, multiply (3x^2 + 2) and (2x + 5) so that it becomes 6x^3 + 15x^2 + 4x + 10Add the two results above: 6x^3 + 15x^2 + 4x + 10 – 6x^3 – 18...

AB
Answered by Ancel B. Maths tutor
9045 Views

Use your own knowledge to compare and contrast the physical and chemical properties of Transition metals and group 2 elements. Use examples to explain your answer.

Answer: Students should be able to list the typical properties of transition metals Physicalhigh melting point / DensityFormation of coloured compoundsFormation of ions w...

CK
Answered by Chris K. Chemistry tutor
2755 Views

How would you analyse and use a source?

Analysing a Source Walkthrough
Circles of Inference (Use whiteboard feature)
Questions to address immediately (particularly if there is limited context to the source)
·        What is the s...

TB
Answered by Toby B. History tutor
2240 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:

© 2026 by IXL Learning