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Makovka662 [10]
2 years ago
7

SOLVE for SUBSTITUTION-Please Problem -2y-10=x -10x-y=-14

Mathematics
1 answer:
cupoosta [38]2 years ago
8 0

Step-by-step explanation:

The answer is (x, y) = (2, -6)

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Uma piscina possui 5 m de comprimento, 3 m de largura e 2,5 m de profundidade. Calcule: a) A quantidade de azulejo necessária pa
Westkost [7]

Answer:

a) 70 azulejos

b) 37500 litros

c) 37.5m³

Step-by-step explanation:

A piscina tem 5 m de comprimento, 3 m de largura e 2,5 m de profundidade.

Comprimento = 5m

Largura = 3m

Profundidade (altura) = 2,5 m

Calcular:

a) A quantidade de ladrilhos necessária para cobrir a piscina

Isso é calculado como a área de superfície da votação

A = 2 (wl + hl + hw)

A = 2 × (3 × 5 + 2.5 × 5 +2.5 × 3)

A = 70 m²

Observe que:

1 m² = 1 azulejo

70 m² = 70 azulejos

b) A quantidade de água que pode caber na piscina.

1 m³ = 1000 litres

O volume de uma piscina = Comprimento × Largura × Altura

= 5m × 3m × 2.5m

= 37.5m³

1 m³ = 1000 litros

37.5m³ =

37.5 × 1000 litros

= 37500 litros

c) seu volume em m³

O volume de uma piscina = Comprimento × Largura × Altura

= 5m × 3m × 2.5m

= 37.5m³

7 0
2 years ago
Math<br> Needs help<br> Surface area
vladimir1956 [14]

The answer is D.

Hope this helps!

5 0
3 years ago
HELP I THINK ITS EITHER C OR D BUT IDK
IrinaK [193]

Answer:

It's just c

Step-by-step explanation:

That's what corresponding angles look like? I don't really know how to explain this. Sorry!

7 0
2 years ago
Read 2 more answers
Which is the area of a parallelogram with a base of 13 centimeters and a height of 3 centimeters?
GREYUIT [131]
He ANWSER I got would be c idk if this is right or not I honk it might be
4 0
2 years ago
I need the answer please help me straight away!!!
Neko [114]

Answer:

15

Step-by-step explanation:

8 0
2 years ago
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