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?

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,

The volume of room is 38.22 m³.

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

So the air weight in the room is,

Therefore the air weight in a room is 49.69 kg.

l.ln.lln.k.nkl

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

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