sandyyknguyen4837
12.10.2020 •
Mathematics
Given that kelsey has already mad 10 pendants. How many additional pendants must she make and sell to make a profit of 50$
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Ответ:
Step-by-step explanation:
Slope intercept form:
where 
is the slope and 
is the y-intercept (the value of y when the line crosses the y-axis)
1) Find the slope of the line (
)
When it comes to parallel lines, they will always have the same slope but different y-intercepts. The given equation is
. Because 3 is in the place of m, we know that the slope of the line is 3. Therefore, the slope of the line parallel to it will also be 3. So far, this is what our equation looks like:
2) Find the y-intercept (
)
To find the y-intercept, we plug the given point (4,-3) into the equation we currently have and solve for b.
Subtract both sides by 12
Therefore the y-intercept of our line is -15. Plug -15 back into the original equation as b.
I hope this helps!