Answer:
4.1
Step-by-step explanation:
I used a calculator I hope this helps
4.12310562…
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7y + 2x + 34 = 0
The gradient for perpendicular, m = -2/7
The formular equation, y - y1 = m(x - x1)
The equation of line through (4, -6) is:
y - (-6) = -2/7(x - 4)
y + 6 = -2x/7 + 8/7
7y + 42 + 2x - 8 = 0
