Exercice 1: On considère trois
parallelogramme ABCD, BCAE et
BCMN.
1. Citer trois vecteurs égaux au
vecteur BC
M
2. Montrer que A est le milieu du
segment [ED]
3. Quelle est la nature du
quadrilatère AMNE?
Justifier.
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(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Find the area of the unshaded square

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.