As a tangent is a straight line it is described by an equation in the form \(y - b = m(x - a)\). You need both a point and the gradient to find its equation. You are usually given the point - it's ...

A tangent to a circle at point P is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is ...

The Sharpe ratio compares the return of an investment with its risk. It's a mathematical expression of the insight that excess returns over a period of time may signify more volatility and risk ...

Gearing ratios are financial ratios that compare some form of owner's equity or capital to debt or funds borrowed by the company. Gearing is a measurement of the entity’s financial leverage ...

Graphs, maps and charts from The Times — and an invitation to students to discuss them live. Two powerful hurricanes recently spun up in the Gulf of Mexico. How has ocean heat in the Gulf ...

A core task in single-cell data analysis is recovering the latent dimensions encoding the genetic and epigenetic landscapes inhabited by cell types and lineages. However, consensus is lacking for ...

Borokhovich, Michael Avin, Chen and Lotker, Zvi 2014. Bounds for algebraic gossip on graphs. Random Structures & Algorithms, Vol. 45, Issue. 2, p. 185. Backhausz ...

The half-yearly exams for CBSE Class 10 are over and students must now focus on the final board examination. It is important ...

In 1934, Alfred Redfield discovered that the ratio of carbon to nitrogen to phosphorus is a nearly constant 106:16:1 throughout the world's oceans, in both phytoplankton biomass and in dissolved ...

A good DTI ratio to get approved for a mortgage is under 36%, but it's possible to qualify with a higher ratio. Some or all of the mortgage lenders featured on our site are advertising partners of ...