my_scriptneilmaths.py

Created by loann-lefort

Created on November 14, 2022

646 Bytes

Exercice 1:
1)S35=n(U0+U35/2)
Un=U0+nr->U35=-5+35(2.5)=82.5

S35=36(-5+82.5/2)=1395

2)S=S35-(U0+U1+U2)
U1=-5+2.5=-2.5
U2=-5+22.5=0
S=1395-(-5+(-2.5)+0)=1403
3)S=n(U15+U45/2) or n=45-15+1=31
U15=-5+152.5=32.5
U45=-5+452.5=85
S=31(32.5+85/2)=1821,25

Exercice 2:


Exercice 3:
1)2500 euro en 2005 gain annuel 75 euro
2006=2500+75
2007=2500+752

2)

Exercice 4:
1)U38=-84 et U94=-224
Un=U1+(n-1)r
U38=U1+37r=-84 (1)
U94=U1+93r=-224 (2)

U1+37r=-84->U1=-84-37r (3)
On remplace 3 dans 2
-84-37r+93r=-224
56r=-224+84
r=-224+84/56=-70
U1=-84-35(-70)=2366

2)S=n(U1+U38/2)
S=38(2366+(-224)/2)
U38=2366+(38-1)(-70)=-224

S=40698

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