Answer:
Density is directly related to the mass and the volume. In fact, it tells us of the exact relationship between the two. To find an object's density, we take its mass and divide it by its volume. If the mass has a large volume, but a small mass it would be said to have a low density.
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Given that 


Now,


This can be written as
[as
]

[ by using equation (i)]
=4
Hence, 
Answer:
Already answered but oh well
It's -4
0.63 is the correct answer
Answer:
75 degrees
Step-by-step explanation:
30 + 75 = 105
180 - 105 = 75