Bonjour, j'ai besoin d'aide pour cet exercice de physique chimie, ce serait une équation à deux inconnus. Merci
Un homme part sur la Lune et dit qu'il a perdu 67 kg par rapport à sa masse sur Terre. Sachant que la constante de gravité g de la Lune vaut 1.6 Newton/Kg. Calculer la masse de cette personne.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement in

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2