3 years ago

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Mathematics

1 answer:

mel-nik [20]3 years ago

8 0

Answer:

$\sqrt{6.5}$

Step-by-step explanation

$\sqrt{6}$ is about 2.45

$\sqrt{6.5}$ is about 2.55

$\sqrt{7}$ is about 2.65

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Mekhanik [1.2K]

Answer:

Step-by-step explanation:

Perpendicular lines are lines whose slopes are negative reciprocals of each other

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$4x - 5y = 4\\4x - 4 = 5y\\y = \frac{4}{5}(x) - \frac{4}{5}$

The slope of this line is $\frac{4}{5}$ , so the slope of the other line is $\frac{-5}{4}$

next, we can use the given point to find the equation $y = mx +b$

we know m, we can solve for b

$y = \frac{-5}{4}(x) + b\\-3 = \frac{-5}{4}(-2) + b\\-3 = \frac{5}{2} + b\\\frac{-6}{2} = \frac{5}{2} + b\\$

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