Algebraic-expressions-with-sums

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From Yahoo Answers

Question:The product of 10 and the sum of x and y. For some reason, the most simple of things slip my mind.

Answers:10*(x+y)

Question:Hi there, I am trying to learn how to translate Algebraic phrasing into numbers and symbols. My question is this: How do you write "The sum of two numbers is 12" Also, is this an expression or an equation? Can you have an equation with 2 unknowns and only one variable like this? Sincerly, Arted68

Answers:What they said. They're all right.

Question:The following tower has 5 tiles along its base and 5 rows of tiles. How many tiles will be required to build a tower like this with 25 tiles along its base and 25 rows of tiles? Write an algebraic expression for the number of tiles in a tower with n tiles along its base and n rows of tiles. The example given has 5 tiles on first row, 4 on 2nd, and so forth. Please help!!!

Answers:You've got a sum of squares going on. The formula, where n is the base (& row) of the bottom square of tiles, is: n(n + 1)(2n + 1)/6


From Youtube

Sums and Differences of Rational Expressions Part 1 GMVS

P. 237. TEXT: Algebra and Trigonometry: Structure and Method Book 2: Classic (Hardcover) by Richard G. Brown (Author) ISBN: 978-0-395-97725-5 or 0-395-97725-8

Boolean Algebra - Sum of Products Expressions Part 2 of 2

Sum of products expression description. Also how to convert a truth table into a sum of products expression

Boolean Algebra - Sum of Products Expressions Part 1 of 2

Sum of products expression description. Also how to convert a truth table into a sum of products expression

Boolean Algebra - Product of Sums Expressions - Part 1 of 2

A description of product of sums (POS) expressions as well as an example of how to convert a truth table into POS form.


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