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Softa [21]
3 years ago
9

(Please help I suck at geometry!) Write an equation of a line perpendicular to line AB below in slope-intercept form that passes

through the point (7, 6). Line AB is shown. A is at 0, 1. B is at negative 2, 5. (6 points) y = 0.5x + 2.5 y = 0.5x − 2.5 y = −2x + 20 y = 2x − 20
Mathematics
2 answers:
solmaris [256]3 years ago
6 0

Answer:

y = 1/2x + 5/2

P.S, this isn't geometry really. It's more like algebra :)

Step-by-step explanation:

Step 1: Find equation of line AB

m = (5 - 1)/(-2 - 0)

m = 4/-2

m = -2

y = -2x + 1

Step 2: Find slope of perpendicular line

<em>Take the negative reciprocal of line AB</em>

m = 1/2

y = 1/2x + b

Step 3: Find <em>b</em>

6 = 1/2(7) + b

6 = 7/2 + b

b = 5/2

Step 4: Rewrite perpendicular equation

y = 1/2x + 5/2

or

y = 0.5x + 2.5

Vikki [24]3 years ago
3 0

Answer:

y = 1/2x + 5/2 or y = 0.5x + 2.5

Step-by-step explanation:

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Answer:

The period, in seconds to two decimal places is, 2.84 sec

Step-by-step explanation:

Using formula:

T = 2 \pi \sqrt{\frac{l}{g}}             ......[1]

where

T represents the Time period in second

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As per the statement:

Use the gravitational constant g = 9.8 m/s^2 , length of the simple pendulum(l) = 2 meters and \pi = 3.14

Substitute the given values we have;

T = 2\cdot 3.14 \cdot \sqrt{\frac{2}{9.8}}

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Therefore, the period, in seconds to two decimal places is, 2.84 sec

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