Top answers

How do I revise for the BMAT

There is a BMAT specification, stating all that you need to know. Print this, ensure what you're revising aligns with the specification. Also, make sure past papers and approved practice questions make up th...
KD
2112 Views

How do stars form?

A star is formed from a nebulae, which is a cloud of dust and gas. The dust and gas particles are drawn together by the gravitational attraction between them. As the nebulae contracts, the dust and gas parti...
SS
Answered by Stephen S. • Physics tutor
2943 Views

Show the sum from n=0 to 200 of x^n given that x is not 1, is (1-x^201)/(1-x) hence find the sum of 1+2(1/2)+3(1/2)^2+...+200(1/2)^199

Let the first term of a geometric progression be 'A', define the geometric sum, which we will call 'S', of 'Ax^n' for each integer n to be the sum from n=0 to r of 'Ax^n'. Hence S=A+Ax+Ax^2+...+Ax^r. Conside...
JB
Answered by Jordan B. • Maths tutor
3605 Views

Do you agree with abortion? What are the ethical issues here?

Start by acknowledging that this is a complex issue with two sides and lots of shades of grey. Then walk through both in a balanced way, showing an appreciated of the four pillars of ethics.Is it legal? Unde...
JL
2450 Views

How do i find 30% of 70?

To begin with we need to understand what a percentage is. It is simply a proportional that shows a number as parts of a hundred. So 30% is the same as saying 30/100 which can be simplified by dividing the nu...
KR
Answered by Kevin R. • Maths tutor
185171 Views