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  2. Coin problem - Wikipedia

    en.wikipedia.org/wiki/Coin_problem

    Frobenius coin problem with 2-pence and 5-pence coins visualised as graphs: Sloping lines denote graphs of 2x+5y=n where n is the total in pence, and x and y are the non-negative number of 2p and 5p coins, respectively.

  3. Binary operation - Wikipedia

    en.wikipedia.org/wiki/Binary_operation

    In mathematics, a binary operation or dyadic operation is a rule for combining two elements (called operands) to produce another element. More formally, a binary operation is an operation of arity two. More specifically, a binary operation on a set is a binary function whose two domains and the codomain are the same set.

  4. Yes–no question - Wikipedia

    en.wikipedia.org/wiki/Yes–no_question

    In linguistics, a yes–no question, also known as a binary question, a polar question, or a general question, [1] or closed-ended question is a question whose expected answer is one of two choices, one that provides an affirmative answer to the question versus one that provides a negative answer to the question.

  5. Binary number - Wikipedia

    en.wikipedia.org/wiki/Binary_number

    The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...

  6. Commutative property - Wikipedia

    en.wikipedia.org/wiki/Commutative_property

    It is a fundamental property of many binary operations, and many mathematical proofs depend on it. Perhaps most familiar as a property of arithmetic, e.g. "3 + 4 = 4 + 3" or "2 × 5 = 5 × 2" , the property can also be used in more advanced settings.

  7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for Friday ...

    www.aol.com/today-nyt-strands-hints-spangram...

    Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night What Is Today's Strands Hint for the Theme: "Baby Talk"? Today's Strands game revolves around things a baby might say ...

  8. Benefits of cold plunges may be short-lived, review finds

    www.aol.com/benefits-cold-plunges-may-short...

    People who practice cold-water immersion may experience stress reduction after exposure, have a decrease in sickness absences, and see improvements in sleep — but only for a limited time, a ...

  9. Book excerpt: "The Note" by Alafair Burke - AOL

    www.aol.com/book-excerpt-note-alafair-burke...

    In this new thriller by the New York Times bestselling author of "The Wife," a prank played by three women on vacation in the Hamptons causes them to get caught up in a police investigation over a ...