halohero7
28.12.2019 •
Mathematics
Idon't know how to get the answer for number 5
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Ответ:
M=40x1
200 divided by 5 equals 40 so 40 times 7 equals 280
Ответ:
A balloon contains 353 kg Helium.
Step-by-step explanation:
A weather balloon holds 2000 cubic meters of helium.
Density of Helium = 0.1765 kilograms per cubic meter.
Then we have to calculate the weight of helium in the balloon.
Since
Now we put the values in the formula to get the mass of Helium.
Mass = 2000×0.1765 = 353 Kg.
Therefore 353 Kilograms of Helium is contained in a balloon.