Answer:
Answer:set the amount of money merchant A:B:C
=A,B,C
A+B=3870
A+C=5775
B:C =4:9
A=2346
B=1524
C=3429
merchant A earn $2346
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Answer:
the answer is 12-18
it's because 12 can't go in 18
so we minus 18 from 12 which is 6
Then we add the minus sign
Answer:
i not for sure
Step-by-step explanation:
sorry
The key feature of the functions that are needed to determine if the lines intersect are;
- The slope; rate of change
- The y-intercept
<h2>
Slope and y-intercept</h2>
From straight line geometry, we can conclude that two parallel lines whose slope are equal can never intersect.
On this note, for the functions described in the question, the functions only intersect when the slopes are different.
Additionally, the functions may intersect in the event of having equal y-intercepts.
In order two straight lines in a coordinate plane intersect, they MUST have different slopes.
This condition is NECESSARY and SUFFICIENT.
