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Bingel [31]
3 years ago
11

10m3 of air weigh 13 kg. Chapter Reference c How much does the air weigh in a room 4.2m long, 3.5m wide, and 2.6m high?

Mathematics
1 answer:
Zarrin [17]3 years ago
5 0

Answer:

The air weight in a room is 49.69 kg.

Step-by-step explanation:

It is given that the room is 4.2m long, 3.5m wide, and 2.6m high. It is also given that 10 m³ of air weigh 13 kg.

The formula to find the volume of cuboid is,

V=l\times b\times h

V=4.2\times 3.5\times 2.6

V=38.22

The volume of room is 38.22 m³.

Since it is given that, 10 m³ of air weigh 13 kg. So,

1 m^3=\frac{13}{10}kg

1 m^3=1.3kg

So the air weight in the room is,

\text{Air weight}=1.3\times 38.22

\text{Air weight}=49.686\approx 49.69

Therefore the air weight in a room is 49.69 kg.

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