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The formula to find density is Mass/Volume
We have
Density =
Volume =
Hence
Mass = 7.8×10504 = 81931.2 gram
We have
Density =
Volume =
Hence
Mass = 7.8×10504 = 81931.2 gram
Answer:(x,y)=(8,18)
Step-by-step explanation:
Given
5x-2y=4-------1
Second Equation
-2x+y=2-----2
Now multiply equation 2 by 2 and it to equation 1
5x-4x+0=8
x=8
substitute it in equation 1
36=2y
y=18
Therefore
(x,y)=(8,18)