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ella [17]
3 years ago
9

Question #4 please show steps. Answer choices:

Mathematics
2 answers:
matrenka [14]3 years ago
8 0
There is not a question
Norma-Jean [14]3 years ago
4 0

Answer:

There is not question to answer.

Step-by-step explanation:

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Hem dibuixat tres rectangles. En el primer, la llargada mesura 3 cm més que l'amplada. El segon i tercer rectangle tenen unes di
quester [9]

Resposta:

Primer rectangle:

Amplada = 11

Longitud = 14

Segon rectangle:

Amplada = 12

Longitud = 15

Tercer rectangle:

Amplada = 13

Longitud = 16

Explicació pas a pas:

Donat que:

Primer rectangle:

Amplada = x

Longitud = x + 3

2n rectangle:

Augment de la dimensió d'1 cm respecte al primer rectangle;

Amplada = x + 1

Longitud = x + 4

3r rectangle:

Augment de la dimensió de 2 cm respecte al primer rectangle;

Amplada = x + 2

Longitud = x + 5

Suma dels tres perímetres del rectangle:

Perímetre d'un rectangle: 2 (l + O)

Primer rectangle:

2 (x + x + 3) = 2 (2x + 3) = 4x + 6

2n:

2 (x + 1 + x + 4) = 2 (2x + 5) = 4x + 10

3r:

2 (x + 2 + x + 5) = 2 (2x + 7) = 4x + 14

Suma de perímetres = 162

(4x + 6 + 4x + 10 + 4x + 14) = 162

12x + 30 = 162

12x = 162 - 30

12x = 130

x = 11

Per tant,

Primer rectangle:

Amplada = 11

Longitud = 11 + 3 = 14

2n rectangle:

Amplada = 11 + 1 = 12

Longitud = 11 + 4 = 15

3r rectangle:

Amplada = 11 + 2 = 13

Longitud = 11 + 5 = 16

8 0
3 years ago
You go shopping an buy x shirts for $12 and y jeans for $28. The Total You spent is $84.
Svetlanka [38]
Ok i thought i could help but the most i could do with the 12x and 28y was do then by them self to get 84 i will keep trying though ok?
6 0
4 years ago
F=5/9c+32<br> Solve for c
arsen [322]
F = (5/9)c + 32
F - 32 = (5/9)c
9(F-32) = 5c

(9(F-32))/5 = c
4 0
3 years ago
Which equation has an infinite amount of solutions
castortr0y [4]
First one I believe. Its been a couple years since I’ve done this so im not 100% sure
3 0
2 years ago
Jane and John had an equal number of flowers. Jane made bouquets with 7 flowers each, while John made bouquets with 9 flowers ea
kolbaska11 [484]

Answer:

63

Step-by-step explanation:

The least common multiple of 7 and 9 is 63

6 0
2 years ago
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