Answer:

Step-by-step explanation:
The graph shows a negative slope with 3 units in between each point.
Every 3 x-units, the y-unit goes up once.
Answer: 0.5-2.4x=12.5
Step-by-step explanation:
-2.4(-5)=12
0.5+12=12.5
The answer is 2/15
6/15 * 5/15 = 30/225 = 6/45 = 2/15
Answer:
no idea mate
Step-by-step explanation:
Answer:
The mass of 1000 atoms of gold is, in grams, of 
Step-by-step explanation:
This question is solved by proportions, using a rule of three.
We have that:
One atom of gold has a mass, in grams, of
. What is the mass of 1000 atoms of gold?
1000 atoms is
. So
1 atom -
grams
atoms - x
Applying cross multiplication:

The mass of 1000 atoms of gold is, in grams, of 