noelmusulin1
26.08.2019 •
Mathematics
What is the value of m in the equation 38(m−29)=434 ?
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Ответ:
38m - 1102 = 434...add 1102 to both sides
38m = 434 + 1102
38m = 1536divide both sides by 38
m = 1536/38
m = 768/19 or 40 8/19
Ответ:
The 392.7 kilogram of helium does the balloon contain.
Step-by-step explanation:
Formula
Density = \frac{Mass}{Volume}
As given
A hot air balloon holds 2,200 cubic meters of helium.
The density of helium is 0.1785 kilograms per cubic meter.
Density = 0.1785 kilograms per cubic meter
Volume = 2200 cubic meters
Put in the formula
0.1785 = \frac{Mass}{2200}
Mass = 2200\times 0.1785
Mass = 392.7 kilogram
Therefore the 392.7 kilogram of helium does the balloon contain.