A hot air balloon holds 74,000 cubic meters of helium, a very noble gas with the density of 0.1785 kilograms per cubic meter. Ho
w many kilograms of helium does the balloon contain?
1 answer:
P=m/V
Where p is density,m is mass,v is volume
m=PV
m=74000×0.1785
m=13209kg
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Answer:
B
Step-by-step explanation:
20 x 15 is 450 and add it to the semi circle which us 88.4
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So b is the correct answer
Lets solve for x.
0.8x = 50. - Remember that the jacket was 80% of the original price.
Thus, divide by x.
x = 50 / 0.8
x = 62.5
Answer:
C.E.: x <em>=/=</em> -4
Step-by-step explanation:
