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  2. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    3 + 2 = 5 with apples, a popular choice in textbooks [1] Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division. [2] The addition of two whole numbers results in the total amount or sum of those values combined. The example in the ...

  3. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    Ptolemy's theorem states that the sum of the products of the lengths of opposite sides is equal to the product of the lengths of the diagonals. When those side-lengths are expressed in terms of the sin and cos values shown in the figure above, this yields the angle sum trigonometric identity for sine: sin( α + β ) = sin α cos β + cos α sin ...

  4. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  5. Erdős–Szemerédi theorem - Wikipedia

    en.wikipedia.org/wiki/Erdős–Szemerédi_theorem

    The following table summarizes progress on the sum-product problem over the reals. The exponents 1/4 of György Elekes and 1/3 of József Solymosi are considered milestone results within the citing literature. All improvements after 2009 are of the form ⁠ 1 / 3 ⁠ + c, and represent refinements of the arguments of Konyagin and Shkredov. [9]

  6. Boyle's law - Wikipedia

    en.wikipedia.org/wiki/Boyle's_law

    Here P 1 and V 1 represent the original pressure and volume, respectively, and P 2 and V 2 represent the second pressure and volume. Boyle's law, Charles's law, and Gay-Lussac's law form the combined gas law. The three gas laws in combination with Avogadro's law can be generalized by the ideal gas law.

  7. Lyft stock soars as rides reach all-time high, earnings top ...

    www.aol.com/finance/lyft-stock-soars-rides-reach...

    Lyft stock soared as much as 30% Thursday as the company’s turnaround plan pushed ridership to an all-time high.The ridesharing company posted a record 217 million rides for the quarter ended ...

  8. Got Holiday Stress? Here Are 10 Nighttime Activities to Help ...

    www.aol.com/got-holiday-stressies-are10...

    1. Declutter A 2015 sleep study has found that people who sleep in cluttered rooms are more likely to have sleeping problems including trouble falling asleep and rest disturbances.

  9. Glossary of cellular and molecular biology (0–L) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_cellular_and...

    3' untranslated region (3'-UTR). Also three-prime untranslated region, 3' non-translated region (3'-NTR), and trailer sequence.. 3'-end. Also three-prime end.. One of two ends of a single linear strand of DNA or RNA, specifically the end at which the chain of nucleotides terminates at the third carbon atom in the furanose ring of deoxyribose or ribose (i.e. the terminus at which the 3' carbon ...