Calculer l’aire d’un rectangle de côté (3x - 2 )cm et (-x + 12) cm avec x un nombre compris entre 1cm et 11cm<br />

Question

Grade: Education Subject: mathematiques

Calculer l’aire d’un rectangle de côté (3x - 2 )cm et (-x + 12) cm avec x un nombre compris entre 1cm et 11cm

Asked by: USER2126

115 Viewed 115 Answers

Answer (115)

USER6775

Best Answer

(154)

Réponse :

(3x-2)(-x+12) =

-3x²+36x+2x-24=

-3x²+38x-24

Explications étape par étape

Answered on 26 Agustus 2025

USER4765

(450)

Réponse :

bonjour,

( 3 x - 2 ) ( - x + 12 )

= - 3 x² + 36 x + 2 x - 24

= - 3 x² + 38 x - 24

si x = 1

aire = - 3 ( 1)² + 38 *1 - 24 = - 3 + 38 - 24 = 11 cm ²

si x = 11

aire = - 3 ( 11)² + 38* 11 - 24 = - 121 + 418 - 24 = 273 cm ²

aire minimale = 11 cm² et maximale = 273 cm²

Explications étape par étape

Answered on 26 Agustus 2025

Calculer l’aire d’un rectangle de côté (3x - 2 )cm et (-x + 12) cm avec x un nombre compris entre 1cm et 11cm

Question

Answer (115)

Related Articles

Write a strory (120-160words) that begins with the words : It had been a lovely day until the earthquake struck. Va rog pls

Alasan dari tujuan dinding usus halus berbentuk jonjot

Vă rog frumos o compunere - descriere a unui colt din natura

What is the justification for each step in the solution of the equation? 23x−13=2(x+2) Select from the drop-down menus to correctly justify each step.HEEEEELLLPPP!!!!!!

calculati x 2x+13=3(x+2) 50 p +coroană

Cat este 80% din 475?

Transcrie numerele 6 9 10 8 4 7 3 5. Micsoreaza cu 3 fiecare numar. Scrie numerele obtinute. Mareste cu 3 numerele obtinute. Ce observi?

The rhyme scheme of a poem enhances all of the following except a. the mood b. the setting c. the reader's interpretive understanding ***** d. the reader's ability to remember lines

ce valori poate avea cifra a astfel incit 32 mai mareca a2?

Cati lei costa cubul daca? Cilindru+ con= cub si cilindru+ con + cub=30

Analiza completa a pronumelor : -l şi sau .

what type of recording do you think would be the best method of submitting evidence to a crime lab? why?

compunere cu multe actiuni adica verbe

How does the Bilibili comics website handle copyright and licensing?

How does error handling with `async/await` differ from using Promises directly with `.then()` and `.catch()`?

Write a strory (120-160words) that begins with the words : It had been a lovely day until the earthquake struck.
Va rog pls

What is the justification for each step in the solution of the equation?

23x−13=2(x+2)

Select from the drop-down menus to correctly justify each step.

HEEEEELLLPPP!!!!!!

calculati x 2x+13=3(x+2)
50 p +coroană

The rhyme scheme of a poem enhances all of the following except
a. the mood
b. the setting
c. the reader's interpretive understanding *****
d. the reader's ability to remember lines