The density of the gold is 772.8 kilograms\cubic meters
Answer:
The slope is 7/2
Step-by-step explanation:
The slope of a line can be found by
m = (y2-y1)/(x2-x1)
= (-1 -6)/(9 - 11)
-7 / -2
7/2
Consider the first blank is the green box.
Given:
The equations are
To find:
The value belongs in the green box
Solution:
We have,
...(i)
...(ii)
Adding (i) and (ii), we get
So, the value for the first black is 2x. It means the value belongs in the green box is 2x.
The values of three blanks are 2x, 0 and 13 respectively.
Therefore, the correct option is B.
A. True because you have to worry about someone stealing your money or someone looking over your shoulder to get your secret 4 digit number