Top answers

Solve for x in the following equation using the quadratic formula, completing the square and factoring method: 2x^2-x-1=0

x=-1/2 and x=1
RC
Answered by Ravinder C. • Maths tutor
3864 Views

How can I tell if the edition of my music score is reliable? - piano

"Urtext" (German for "original text") editions are generally the closest to the composer's intentions. Since centuries have passed, sometimes it is difficult to tell whether an Urtext edi...
LS
Answered by Luca S. • Music tutor
6191 Views

What is the life cycle of a star?

Star formation begins when dust and gas starts to gather to form a cloud called nebula . Gravity causes the cloud to spiral and form a Protostar , where gravity accelerates the gas particles, resulting in he...
BP
Answered by Barbara P. • Physics tutor
3909 Views

How do I answer the 6 mark question: Explain why malnutrition is widespread in certain parts of the world?

6 mark questions such as this require clear definition alongside a clear explanation backed up with some supporting evidence. You can see this is the case because the question begins with the command words '...
AH
Answered by Anna H. • Geography tutor
15759 Views

Find the first 3 terms and the sum to infinity of a geometric series with first term, 10 and common ratio 0.2

General form of a Geometric series: a + ar + ar^2 + ar^3 + ar^4 + … First three terms: 10 + 10 0.2 + 10 0.2^2 = 10 + 0.2 + 0.04Nth Term of a Geometric Series: ar^n-1 where there are n terms Proof of sum of t...
DW
Answered by Daniel W. • Maths tutor
7521 Views