What is the concept of algebra?
Space & NavigationAlgebra is a branch of mathematics that substitutes letters for numbers. Algebra is about finding the unknown or putting real-life variables into equations and then solving them. Algebra can include real and complex numbers, matrices, and vectors. What is the main purpose of algebra? The purpose of Algebra is to make it easy to state
What is tree and spanning tree?
Space & NavigationA tree is a graph that is connected and contains no circuits. A spanning tree of a graph G is a tree that contains every node of G. What is difference between graph and spanning tree? A spanning tree is a subset of Graph G, which has all the vertices covered with minimum possible number
Where do stars originate?
Space & NavigationStar Formation Stars are born within the clouds of dust and scattered throughout most galaxies. A familiar example of such as a dust cloud is the Orion Nebula. Turbulence deep within these clouds gives rise to knots with sufficient mass that the gas and dust can begin to collapse under its own gravitational attraction. Where
What is simple and compound event in probability?
Space & NavigationA simple event results in just one outcome. For instance, if we flip one coin, it will result in just one outcome. The coin could either land on heads, or it could land on tails. A compound event is an event containing more than one outcome. What is simple event and compound event? A simple
Why do disk stars bob up and down?
Space & NavigationWhy do orbits of bulge stars bob up and down? They’re stuck to the interstellar medium. Gravity of disk stars pulls toward disk. Halo stars knock them back into disk. How would you expect a star that formed recently in the disk of the Milky Way galaxy to differ from one that formed early in
What does a waning gibbous moon mean?
Space & NavigationWhat does a waning gibbous moon symbolize? It’s at this point that the moon is more than one half illuminated but not fully and is constantly decreasing. Spiritually, it is time to get rid of some of those bad habits, stresses, and any negative thinking that you have been experiencing. How does a waning gibbous