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AJRL2005
26.10.2020 •
Mathematics
What is the equation of the line that is parallel to the line defined by the equation y = 2x + 4 and goes through the point (3, 2)?
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Ответ:
Step-by-step explanation:
Hey there!
Given;
y = 2x + 4(i)
The point is; (3,2). The equation of line which passes through this point is;
(y-y1) = m2(x-x1)
(y-2)= m2(x-3)(ii)
From equation (i).
y = 2x+4
Comparing the equation with y = mx+c, we get;
Slope (m1)= 2
As per the condition of parallel lines, (m1=m2).
Therefore, m2= 2.
Now, keeping the slope of m1 in eqaution (ii)
(y-2)= 2(x-3)
y - 2 = 2x - 6
y = 2x -4
Therefore, the equation is y = 2x - 4.
Hope it helps...
Ответ:
144
Step-by-step explanation:
First subtract 180 from 20% of 180.
180 - (20/100 x 180) = 180-36 = 144