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  2. Intersecting chords theorem - Wikipedia

    en.wikipedia.org/wiki/Intersecting_chords_theorem

    The value of the two products in the chord theorem depends only on the distance of the intersection point S from the circle's center and is called the absolute value of the power of S; more precisely, it can be stated that: | | | | = | | | | = where r is the radius of the circle, and d is the distance between the center of the circle and the ...

  3. Sieve analysis - Wikipedia

    en.wikipedia.org/wiki/Sieve_analysis

    A sieve analysis (or gradation test) is a practice or procedure used in geology, civil engineering, [1] and chemical engineering [2] to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction ...

  4. Pivot table - Wikipedia

    en.wikipedia.org/wiki/Pivot_table

    Column labels are used to apply a filter to one or more columns that have to be shown in the pivot table. For instance if the "Salesperson" field is dragged to this area, then the table constructed will have values from the column "Sales Person", i.e., one will have a number of columns equal to the number of "Salesperson". There will also be ...

  5. Tree volume measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_volume_measurement

    The formula for the volume of a frustum of a paraboloid [23] [24] is: V = (π h/2)(r 1 2 + r 2 2), where h = height of the frustum, r 1 is the radius of the base of the frustum, and r 2 is the radius of the top of the frustum. This allows us to use a paraboloid frustum where that form appears more appropriate than a cone.

  6. Aggregation problem - Wikipedia

    en.wikipedia.org/wiki/Aggregation_problem

    The second meaning of "aggregation problem" is the theoretical difficulty in using and treating laws and theorems that include aggregate variables. A typical example is the aggregate production function. [2] Another famous problem is Sonnenschein-Mantel-Debreu theorem. Most of macroeconomic statements comprise this problem.

  7. Can Microneedling Actually Prevent Hair Loss? - AOL

    www.aol.com/microneedling-actually-prevent-hair...

    Hair loss in men is common, and a quick Google search reveals all sorts of options for reducing and reversing thinning hair — topical minoxidil, hair transplant surgery, serums, and even ...

  8. Recalled Costco eggs may cause severe illness due to ... - AOL

    www.aol.com/news/fda-raises-recall-alert-highest...

    Federal food regulators raised their alarm for recalled eggs sold from Costco stores over possible salmonella exposure, reclassifying the targeted product to its highest risk level.

  9. Pop-Tarts Bowl MVP will have choice of 3 edible mascots for ...

    www.aol.com/sports/pop-tarts-bowl-mvp-choice...

    The Pop-Tarts Bowl will have not one, not two, but three edible mascots this year. (Photo by David Rosenblum/Icon Sportswire via Getty Images) (Icon Sportswire via Getty Images)