Exercice 3 A
1
8,6 x x + 4
On se propose d'utiliser le tableur pour tester si l'égalité
x2 + 22 = 8,6 x + 4 est vraie pour un nombre entier
compris entre 1 et 10. Pour cela, on a préparé cette feuille
de calcul
2
2
5
6
7
1) Quelle formule doit-on saisir dans la cellule A4 avant
de la recopier vers le bas ?
2) Quelle formule doit-on saisir dans la cellule B2 avant
8
de la recopier vers le bas ?
9
3) Quelle formule doit-on saisir dans la cellule C2 avanı
de la recopier vers le bas ?
3) Réaliser la feuille de calcul puis la compléter et donner valeur de x pour laquelle l'égalité
x? + 22 = 8,6x + 4 est vraie.
10
11
4) Il existe une autre valeur de r qui rend vraie l'égalité ? + 22 = 8,6 x + 4. Trouver cette valeur.​

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.