Question

A cubic meter of water weighs 1000kg. What is the weight of a waterbed mattress that is 4 meters by 2 meters by 15 cm if the casing of the mattress weighs 2kg?

Answer 1

Answer:

240000

Step-by-step explanation:

1000. multiply 240. is 240000

Answer 2

The weight of a waterbed mattress is 1202 kg.

Step-by-step explanation:

Given : A cubic meter of water weighs 1000kg.

To find : What is the weight of a waterbed mattress that is 4 meters by 2 meters by 15 cm if the casing of the mattress weighs 2 kg?

Solution :

A waterbed mattress that is 4 meters by 2 meters by 15 cm.

15 cm into meter is 0.15 meter.

The volume of the water bed is $V=l\times b\times h$

$V=4\times 2\times 0.15$

$V=1.2\ m^3$

A cubic meter of water weighs 1000 kg.

The weight of volume is $W=1.20\times 1000$

$W=1200\ kg$

The casing of the mattress weighs 2 kg.

The total weight is 1200+2=1202 kg.

Therefore, the weight of a waterbed mattress is 1202 kg.

#Learn more

A cubic meter of water weighs 1000kg. What is the weight of a waterbed mattress that is 4 meters by 2 meters by 15 cm if the casing of the mattress weighs 2kg?

https://brainly.in/question/12921121