When you write in a math class, you are expected to use correct grammar and spelling. Your writing should be clear and professional. Do not use any irregular abbreviations or shorthand forms which do not conform to standard writing conventions. Mathematics is written with sentences in paragraphs. How do you write a math answer? When […]

In relational database theory, a relation, as originally defined by E. F. Codd, is a set of tuples (d1, d2,, dn), where each element dj is a member of Dj, a data domain.A relation is thus a heading paired with a body, the heading of the relation being also the heading of each tuple in […]

Use the Keyboard to Move Items Up or Down in Microsoft Word Use the Shift+Alt+Up key, and the row where the cursor is will immediately move up: This also works for other elements, such as paragraphs… It also works with items in a bulleted list, and probably many other elements as well. How do you […]

Hold the Command key while dragging in order to override the default increment. Optionally, use the Arrow keys to nudge the object (you can press 2 keys at once to nudge diagonally). Hold both Control & Command while nudging with the Arrows in order to move the object in a smaller increment. How do you […]

How to Open QuickTime on My iPhone Tap the “Email” or “SMS” icon on your phone. Locate a message with a QuickTime attachment. Open your email account on your phone. When you have received the message, click the QuickTime file attachment at the bottom of the email. Tap the QuickTime bar once downloading completes. Why […]

A manual search for RFPs requires practice and research, but it’s the most cost-effective way to find new opportunities. Google search for government RFPs. Finding open RFPs on social media. Best RFP databases. Register as a supplier or complete a vendor profile. Examples vendor registration pages. Where can I find RFPs in marketing? How to […]

The English word “news” developed in the 14th century as a special use of the plural form of “new”. In Middle English, the equivalent word was newes, like the French nouvelles and the German Neues. Is news an acronym or a word? News: The word news has been claimed to be an acronym of the […]

Remember, the formula to calculate combinations is nCr = n! / r! * (n – r)!, where n represents the number of items, and r represents the number of items being chosen at a time. How many combinations of 4 items are there? I.e. there are 4 objects, so the total number of possible combinations […]

How do you calculate n choose? Solved Example So the formula for n choose k is, C(n, k)= n!/[k!( n-k)!] So, there are 210 ways of drawing 6 cards from a pack of 10. What is choose in probability? In short, it is the number of ways to choose two elements out of n elements. […]

The formula for combinations is nCr = n! / r! * (n – r)!, where n represents the number of items, and r represents the number of items being chosen at a time. How many combinations of 4 items are there? I.e. there are 4 objects, so the total number of possible combinations that they […]