EXO 1 compléte en mettant le verbe de la précédente phrase au present perfect
3- Sarah and Andy are married. They have been married since 1999.
4- Brian is ill. He has been ill for the last few days.
5- We live in Scott Road. We have lived there for a long time.
6- Catherine works in a bank. She has worked in a bank for five years.
7- Alan has a headache. He has had a headache since he got up ...
*8- I'm learning English. I have been learning English for six months.
EXO 2 make question with "how long"
2- How long have they been in Brazil ?
3- How long have you known Amy ?
4- How long has she learned Italian ?
5- How long has he lived in Canada ?
6- How long have you been a teacher ?
*7- How long has it been raining ?
EXO 3
2- She has lived in Wales all her life.
3- They have been on holidays since Sunday.
*4- The sun has been shining all day.
*5-She has been waiting the bus for ten minutes.
6- He has had a beard since he was twenty.
*tu remarqueras que parfois j'ai utilisé le present perfect progressif *
have + been + BV +-ing . C'est parce que dans la phrase il y avait du présent BE + V-ing.
si tu ne l'as pas appris, alors mets tout au present perfect normal, c'est à dire have + p. passé BV (ex: "have learned" " has it rained" "the sun has shined", "she has waited" ")
Bonjour
EXO 1 compléte en mettant le verbe de la précédente phrase au present perfect
3- Sarah and Andy are married. They have been married since 1999.
4- Brian is ill. He has been ill for the last few days.
5- We live in Scott Road. We have lived there for a long time.
6- Catherine works in a bank. She has worked in a bank for five years.
7- Alan has a headache. He has had a headache since he got up ...
*8- I'm learning English. I have been learning English for six months.
EXO 2 make question with "how long"
2- How long have they been in Brazil ?
3- How long have you known Amy ?
4- How long has she learned Italian ?
5- How long has he lived in Canada ?
6- How long have you been a teacher ?
*7- How long has it been raining ?
EXO 3
2- She has lived in Wales all her life.
3- They have been on holidays since Sunday.
*4- The sun has been shining all day.
*5-She has been waiting the bus for ten minutes.
6- He has had a beard since he was twenty.
*tu remarqueras que parfois j'ai utilisé le present perfect progressif *
have + been + BV +-ing . C'est parce que dans la phrase il y avait du présent BE + V-ing.
si tu ne l'as pas appris, alors mets tout au present perfect normal, c'est à dire have + p. passé BV (ex: "have learned" " has it rained" "the sun has shined", "she has waited" ")
Bonne fin de journée ☺☺☺
⇒ (MN) // (BC) ⇒ Application du théorème de Thalès
AN/AC = MN/BC ⇒ AC = AN * BC/MN = (6 * 2 x)/4 = 3 x
AM/AB = MN/BC ⇒ AB = AM * BC/MN = (x * 2 x) /4 = x²/2
2) soit I un point de (AM) tel que (CM) // (IN)
a) montrer que AM/AI = x/2
AI/AM = AN/AC ⇔ AM * AN = AI * AC ⇒ AM = AI * AC/AN ⇒ AM/AI = AC/AN
⇒ AM/AI = 3 x/6 = x/2
AM/AB = AN/AC ⇔ AB * AN = AM * AC ⇒ AB = AM * AC/AN
⇒ AB/AM = AC/AN = 3 x/6 = x/2
b) En déduire que AM² = AI * AB
puisque AM/AI = x/2 et AB/AM = x/2
⇒ AM/AI = AB/AM ⇔ AM x AM = AI * AB
⇒ AM² = AI * AB
3) on suppose dans cette question que le triangle ABC est rectangle en B
et que (MN)//(BC)
Déterminer x pour que AMN soit un triangle rectangle
⇒ Réciproque du théorème de Pythagore
AM² + MN² = x² + 16 = 36 ⇔ x² + 16 - 36 = 0 ⇔ x² - 20 ⇒ x = √20 = 2√5
La valeur x = - √20 n'est pas admise dans ce cas
26
a) un produit est nul si et seulement si l'un des facteurs est nul.
ici les deux facteurs 2/15 et 5/4 ne sont pas nuls, le produit ne peut pas être nul.
b) en simplifiant par 2 et par 5 les deux termes du quotient Romain a mis 0 au lieu de 1 au numérateur.
la réponse correcte est 1/6
35
au dessous du mot "Règle" on t'explique ce qu'il faut faire :
a) au-dessus de 10 et 1/2 il faut écrire le produit des ces deux nombres, c'est 5
b) au-dessus de 1/2 et -2/5 on écrit le produit de 1/2 par -2/5 : c'est -1/5
c) au-dessus de -2/5 et 3/2 on écrit les produit de -2/5 par 3/2
5 -1/5
10 1/2 -2/5 3/2
au-dessus de 5 et -1/5 on écrit le produit de 5 par -1/5, c'est -1
-1
5 -1/5
10 1/2 -2/5 3/2
je te laisse continuer
bjr
l'idée est de trouver un diviseur commun pour simplifier la fraction :
42/56 = 3x14/4x14 = 3/4 on simplifie par 14
56/60 = 4x14/4x15 = 14/15 on simplifie par 4
60/42= 10x6/7x6 = 10/7 on simplifie par 6
Bonjour ;
Veuillez-voir le fichier ci-joint .
Bonjour,
a. He is the greatest sportsperson in the world.
b. Kaka is one of the oldest traditions in the world.
c. The best place for sailing in New Zealand is Auckland.
d. The language they speak the most is English.
Thrilling ——> the most thrilling
Original ——> the most original
; )
bonjour
a) 42/56 = 3 x 14 sur 4 x 14 = 3/4
b) 56/60 = 4 x 14 sur 4 x 15 = 14/15
c) 60/42 = 6 x 10 sur 6 x 7 = 10/7
bonjour
I = x² + 5 x + x + 5
= x² + 6 x + 5
J = 8 x² + 24 x + 10 x + 30
= 8 x² + 34 x + 30
K = 10 u - 15 u² + 2 - 3 u
= - 15 u² + 10 u + 2
L = 6 n + 15 - 2 n² - 5 n
= - 2 n² + n + 15
Explications :
Exe 2
1-since
2-since
3-for
4-for
5-since
6-since
Hello, voici mes réponses :)
Exercice 1 : superlatif
• the most thrilling
• the most original
Exercice 2 : Remettre dans l'ordre
a. He is the greatest sportsperson in the world.
b. Kaka is one of the oldest traditions in the world.
c. The best place for sailing in New Zealand is Auckland.
d. The language they speak the most is English.
Et voilà j'espère t'avoir aider
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