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Basile [38]
3 years ago
10

In the diagram below, line segment bc is an altitude of triangle abd. What is the length of line age meant cd? If necessary, rou

nd your answer to two decimal places, PLEASE HELP ME IM REALLY STUCK

Mathematics
1 answer:
Naddika [18.5K]3 years ago
5 0
Check the picture below.

running a perpendicular line like so from the right-angle, makes three similar triangles, the large, containing the smaller ones, and a medium and a small one.  Now, using proportions, you can just  use there, the medium and smalle to get "x".

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2 years ago
The periodic time, t, of a pendulum varies directly as the square root of its length, l. t = 6 when l = 9. find t when l = 25.
Hunter-Best [27]

The periodic time, t, of a pendulum range directly as the square root of its length, l. t = 6 when l = 9. If l = 25 then the periodic time, T exists at 10.

<h3>What is periodic time?</h3>

The period, or periodic time, of a periodic variation of a quantity, exists described as the time interval between two consecutive repetitions.

Given: The periodic time, t, of a pendulum goes directly as the square root of its length, l if t = 6 when l = 9.

If T \alpha\ l^2 then T^2 α \sqrt{l}

T^2  = l

Let, T^2  = kl, where k exists constant

t = 6 when l = 9.

So, 6^2  = k*9

k = 6^2/9 = 4

T^2  = 4*l

If l = 25

T^2 = 4 * 25 = 100

T = \sqrt{100}

T = 10

Therefore, the periodic time, T exists 10.

To learn more about a simple pendulum refer to:

brainly.com/question/14641927

#SPJ4

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