Answer:
Step-by-step explanation:
x + 8 = -2
x = -10
the answer is a
Because 3 is a lower number then 5 and that would be negative if it were 5+3 it would be Positive
Answer:
- Domain:
- Range:
Step-by-step explanation:
The domain is the set of x-values and the range is the set of y-values.
The line in red
Coordinate points (1, 1) and (0, -1)
slope m = (1 + 1)/(1 - 0) = 2
b = y intercept = -1
so equation in slope intercept form: y = mx + b
in this red line y = 2x - 1
Answer
Red: y = 2x - 1
The average atomic mass is 6.92X
How do we compute the average atomic mass?
In a bid to calculate the average atomic mass, we multiply the fraction of each isotope by the mass number , then add them together.
This is more like weighted average, as shown below:
average atomic mass=(mass number of first isotope*fraction)+(mass number of second isotope*fraction)
average atomic mass=(6X*7.59%)+(7X*92.41%)
average atomic mass= 6.92X
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