lex4395
10.11.2019 •
Mathematics
Acube made of silver has a density of 10,490 kg/m^3 if one of the sides were doubled without changing the mass of silver how would the density of the cube be changed?
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Ответ:
Density will be half of the original density and is equal to 5245 kg/m³
Step-by-step explanation:
Given:
Density of the cube is,
Let the side of the cube be m.
Volume of the cube,
If one side of the cube is doubled, the resulting figure is a cuboid with dimensions
So, new volume is,
Density is given as,
If mass is constant, then density is inversely proportional to its volume.
Therefore,
So, the density of a constant mass is exactly half the original density when one of its sides is doubled.
Ответ:
Step-by-step explanation:
hello :
i (f-g)(3)+(f+g)(0)=f(3)-g(3) +f(0) +g(0)
f(3)=4 and g(3)=0 and f(0)=-2 and g(o)=2
(f-g)(3)+(f+g)(0)=f(3)-g(3) +f(0) +g(0)=4+0-2+2 =4