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bekas [8.4K]
3 years ago
15

How do I do that? -bsf

English
1 answer:
masha68 [24]3 years ago
7 0
Where is the question
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A ladder is leaning against a wall. The top of the ladder touches the wall at a height that is 5 feet less than the length of th
DanielleElmas [232]

Answer:

25 feet

Explanation:

Let the ladder be 'H' feet long

Given;

Ladder touches the wall at a height = H - 5 feet

The distance from the foot of the ladder to the wall = H - 10 feet

now a right angles triangle is formed by the system,

where,

Ladder forms the hypotenuse of the triangle

Height of the wall is the perpendicular

and, distance at the base is the base of the triangle formed

Therefore,

from the Pythagoras theorem, we have

H² = ( H - 10 )² + ( H - 5 )²

or

H² = H² + 100 - 20H + H² + 25 - 10H

or

H² = 2H² + 125 - 30H

or

H² -30H + 125 = 0

on solving the quadratic equation, we get

H² + ( - 5H - 25H ) + 125 = 0

or

H ( H - 5 ) - 25 (H - 5) = 0

or

(H - 5) × (H - 25) = 0

therefore,

we have

H = 5 feet and H = 25 feet

now,

H = 5 is not possible as this length of the ladder will lead to the negative distance at the base and also, the height of the at the wall be zero

Hence,

the length of the ladder is 25 feet

3 0
3 years ago
What is globalization?
emmasim [6.3K]
Globalization is the process of interaction and interrogation among people companies and governments worldwide globalization has accelerated since the 18 century do the advanced says in transportation and communication technology
8 0
2 years ago
Read 2 more answers
What reasons do the authors give to support the claim that social media both helps and threatens smaller media outlets? Select t
skelet666 [1.2K]

Answer:

i dont know

Explanation:

5 0
2 years ago
In your own words, what makes a work of fiction realistic?
harina [27]
For me, to make fiction realistic is to have normal people in the story and have something strange come out of the blue. For example, there are researcher that study UFOs, so maybe have a conflict that has something to do with UFOs. Hope that helps!!!
3 0
3 years ago
How does being locked inside the house when she was younger affect the narrator's mother in Safety of Numbers? (Read paragraphs
True [87]

In <em>Lucy Tan's Safety of Numbers</em>, the narrator's mother, who was locked inside the house, lost her confidence in society and self-expression. Now, she has become rigid in raising her daughter.

<h3>Safety of Numbers</h3>

The devastating Tiananmen Square experience haunts Lucy Tan's mother. As one of the students who protested in Tiananmen Square, she realized that society does not care for the vulnerable and can force one to renounce their youth naivety. Could anyone expect the authorities to order the opening of fire on protesting students with no weapon other than their voices?

Thus, the fact that the narrator's mother was locked inside the house for a long duration shattered her confidence in society and reduced her self-expression.

Learn more about Lucy Tan's Safety of Numbers at brainly.com/question/17505388

8 0
2 years ago
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