New PDF release: 99 Points of Intersection: Examples, Pictures, Proofs

By Hans Walser

ISBN-10: 0883855534

ISBN-13: 9780883855539

The ninety nine issues of intersection provided the following have been amassed in the course of a year-long look for incredible concurrence of strains. for every instance we discover compelling facts for the occasionally startling incontrovertible fact that in a geometrical determine 3 immediately strains, or occasionally circles, go through one and an identical element. in fact, we're accustomed to a few examples of this from simple user-friendly geometry - the intersection of medians, altitudes, attitude bisectors, and perpendicular bisectors of facets of a triangle. the following there are lots of extra examples - a few for figures except triangles, a few the place much more than 3 directly strains go through a standard point.The major a part of the booklet provides ninety nine issues of intersection in simple terms visually. they're constructed in a chain of figures, many with no caption or verbal remark. additionally the e-book includes basic suggestions on and examples of the issues of intersection, in addition to a few commonplace equipment of proving their lifestyles. the various examples proven within the ebook have been encouraged via questions and recommendations made through scholars and high-school lecturers. a number of of these examples haven't just a geometrical, but in addition an interesting aesthetic, aspect.The e-book addresses high-school scholars and scholars on the undergraduate point in addition to their academics, yet will attract a person attracted to geometry

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Additional info for 99 Points of Intersection: Examples, Pictures, Proofs

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A cette dimension quantitative s'ajoute une dimension qualitative. La contribution des individus à la production ne dépend pas seulement du nombre d'heures qu'ils y consacrent, mais aussi de leur qualification professionnelle, de leur expérience, de leur motivation et de leurs efforts. ), en vue de produire d'autres biens. Ici, l'introduction des stocks surprend souvent le profane. En effet, les matières premières ou les produits stockés par l'entreprise ne sont pas normalement destinés à rester en stock mais à être rapidement consommés ou vendus.

Le salaire nominal (ou encore monétaire) est le montant (en francs) inscrit sur la fiche de paye. —Le salaire réel est le pouvoir d'achat du salaire, c'est-àdire la quantité de biens et services que le salaire nominal permet d'acheter ; on le mesure en divisant le salaire nominal par le prix moyen des biens et services dans l'écono- Qui fait quoi ? 32 mie nationale, c'est-à-dire par un indice du niveau général des prix. Des travailleurs rationnels ne sont intéressés par les salaires offerts que dans la mesure où ils leur permettent d'acheter des biens et services ; ils ne tiennent donc pas compte du salaire nominal mais du salaire réel, et notre hypothèse devient : l'offre de travail est une fonction croissante du salaire réel.

Travail la totalité d'une production qu'il n'a pu engendrer qu'en combinaison avec une certaine quantité de capital. La productivité marginale est la productivité de la dernière unité de facteur utilisée. Autrement dit, elle indique l'augmentation de la production entraînée par l'emploi d'une unité de facteur supplémentaire. On parle de productivité physique quand on mesure la quantité de biens produits par unité de facteur (heure de travail, franc investi en capital, ou toute unité jugée pertinente) ; on parle de productivité en valeur si on mesure la valeur monétaire des biens produits par unité de facteur.

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99 Points of Intersection: Examples, Pictures, Proofs by Hans Walser


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