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Law Incorporation [45]
3 years ago
8

Factorise 21x-14y Pls try answer its for my homework thx

Mathematics
1 answer:
prohojiy [21]3 years ago
4 0
21x-14y \\ \\ GCF = 7 \\ \\ 7( \frac{21x}{7} + \frac{-14y}{7} ) \ / \ factor \ out \ gcf \\ \\ 7(3x - 2y) \ / \ simplify \\ \\ Answer: \fbox {7 (3x - 2y)}
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Answer:

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Step-by-step explanation:

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3 years ago
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2- La longueur d'un rectangle mesure 2 cm de plus que le triple de sa largeur. Si le périmètre de ce rectangle est supérieur à 1
Art [367]

Answer:

5 < L < 18,5

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longeur = length = L

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12 < 2*(3W+2)+2W < 48

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12 < 2L+2W < 48

L = 3W +2

<em>L</em><em> </em><em>-</em><em> </em><em>2</em><em> </em><em>=</em><em> </em><em>3</em><em>W</em>

<em>L</em><em>/</em><em>3</em><em> </em><em>-2</em><em>/</em><em>3</em><em> </em><em>=</em><em> </em><em>W</em>

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13⅓ < 2⅔L < 49⅓

5 < L < 18,5

hope it helps.

brainly exists in French too. brainly.fr or switch country in app

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3 years ago
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Olenka [21]
13 is the correct answer
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Rzqust [24]

Answer:

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b)

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3 years ago
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lisov135 [29]

Answer:

1,8586

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