The histogram represents the time it takes employees to get to work each morning.
2 answers:
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Step-by-step explanation:
use the midpoint formula
substitute into the midpoint formula
solve the above
(
so the x coordinate if your midpoint is 3
the y coordinate of your midpoint is 1
(3;1)
Answer:
To decide whether to add or subtract, determine if the values of the coefficients are the same or opposites:
. If the values are the same, subtract the equations.
• If the values are opposites or additive inverses, add the equations.
Step-by-step explanation:
Given
Required
How to solve
Options (1) and (2) are incorrect because none of the options eliminate x or y.
For option (3),
- Check for the coefficients of x and y
- If they are the same (sign and value), then subtract; otherwise add
For instance:
Rewrite the second equation
The coefficient of y are the same, so we subtract;
<em>See that y has been eliminated</em>