aidez moi s'il vous plait!

la masse d'une brique est de 15 kg.
1) Déterminer la fonction linéaire m qui donne la masse (en kilogrammes) des briques en fonction de leur nombre.
2) a. Déterminer l'antécédent de 720 par la fonction m.
b. A quoi correspond cet antécédent pour le problème?

By: USER9999
27 Agustus 2025 mathematiques 5 minutes
4.5
320 views 320 comments 13 shares

Question

Grade: Education Subject: mathematiques
aidez moi s'il vous plait!

la masse d'une brique est de 15 kg.
1) Déterminer la fonction linéaire m qui donne la masse (en kilogrammes) des briques en fonction de leur nombre.
2) a. Déterminer l'antécédent de 720 par la fonction m.
b. A quoi correspond cet antécédent pour le problème?
Asked by:
320 Viewed 320 Answers

Answer (320)

Best Answer
(90)
,m(x)=15x. 15x=720 donc x=720/15 , il correspond au nombre de bric pour un mois de 720kg
Answered on 27 Agustus 2025
(132)
1. 15m
2. a. 15m = 720 donc m = 48
    b. Cet antécédent correspond au nombre de briques contenues dans 720 kg de briques.
Answered on 27 Agustus 2025

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