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Neporo4naja [7]
3 years ago
12

Pls help n explain what to do

Mathematics
2 answers:
monitta3 years ago
8 0

Answer:

3

Step-by-step explanation:

12*0.75=9

To find this do 9/12.

4*0.75=y

y=3

Anuta_ua [19.1K]3 years ago
5 0

Answer:

the answer is the blue one =3

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Different problem same topic please help
BlackZzzverrR [31]

Answer:

see below

Step-by-step explanation:

y = 5x - 31

y = mx + b

where m = slope

slope of a parallel line = 5

slope of a perpendicular line = - 1/5

7 0
3 years ago
If it takes 2 hours to travel a distance of 120 km, how long would it take to travel 210km if the rate remained the same?
SVETLANKA909090 [29]

Answer:

about 3.5 hrs

Step-by-step explanation:

4 0
3 years ago
O comprimento de um retângulo é 6x e sua largura é 5y. A) Escreva uma expressão algébrica que representa o perímetro desse retân
Kobotan [32]

Answer:

A) 12x + 10y

B) 118cm

Step-by-step explanation:

A) A fórmula para calcular o perímetro de um retângulo é dada como:

Perímetro de um retângulo = 2 (L + W)

= 2L + 2W

Onde

L = comprimento do retângulo

W = largura do retângulo

A) A pergunta nos diz que:

O comprimento de um retângulo é 6x e sua largura é 5y.

A expressão algébrica que representa o perímetro do retângulo =

Perímetro de um retângulo = 2 (L + W)

= 2L + 2W

L = 6x, W = 5y

= 2 (6x) + 2 (5y)

= 12x + 10y

A expressão algébrica que representa o perímetro do retângulo é

P = 12x + 10y

B) Se x = 4 cm e y = 7 cm, qual é o valor numérico desse perímetro.

P = 12x + 10y

x = 4cm

y = 7cm

Perímetro = 12 (4) + 10 (7)

Perímetro = 48cm + 70cm

Perímetro do retângulo = 118cm

Portanto, o valor numérico do perímetro é 118cm

7 0
3 years ago
What does this mean??4/9 ÷ 17/ 18
vichka [17]

Answer:

4/9 ÷ 17/18 =

Step-by-step explanation:

4/9 ÷ 17/18

4/9 · 18/17      (Take the reciprocals of 17/18)

72/153

Simplest form : 8/17

Hope this helps!

-Abha

8 0
3 years ago
Kelly has read 5/6 of a book helen has read 9/12 of the same book who read more of the book?
kupik [55]

Answer:

Kelly has read more of the book

3 0
2 years ago
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