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Xelga [282]
2 years ago
9

It takes peter 3/5 of an hour to paint one room. How long will it take for him to paint three rooms?

Mathematics
1 answer:
rosijanka [135]2 years ago
6 0

Answer:

1 4/5 hours

Step-by-step explanation:

3/5 x 3 = 9/5 or 1 4/5

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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 is the slope of a line parallel to the line with equation y = 5x – 2
BARSIC [14]

Answer:

A:5

Step-by-step explanation:

if it asks for parallel it will always be the same slope

5 0
3 years ago
What is the product of −2 1/4 and 2 1/2?
Alexeev081 [22]

Answer:

-5 5/8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
One-fourth of a
Whitepunk [10]

Answer:

24 bowls

Step-by-step explanation:

Its 24 bowls because 1/4 fits into one bowl. 4 bags of popcorn with fit in 4 bowls. So then 6 times 4 equals 24.

3 0
3 years ago
max bought 2 3/4 punds of green apples, 1 5/8 pounds of yellow apples, and 1 5/8 pounds red apples. the total cost was $5.40. wh
dangina [55]
2 3/4 + 1 5/8 + 1 5/8 =
2 + 1 + 1 = 4 (add the whole numbers)
3/4 + 5/8 + 5/8 = 6/8 + 5/8 + 5/8 = 16/8 = 2 (add the fractions)
4 + 2 = 6 total lbs

5.40 for 6 lbs = 5.40/6 = 0.90  (so the apples cost 90 cents per lb)
7 0
3 years ago
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