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denis23 [38]
3 years ago
15

from the height of a wall if a ladder 10 metre long place along the wall and its foot is 2 metre away from the wall.​

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
7 0

Answer:

height of the wall = 9.79 m

Step-by-step explanation:

This form a right angled triangle.

Hypotenuse = length of the ladder = 10 m

Base = length from foot of ladder to wall.

Altitude = height of the wall

Pythagorean's theorem,

base² + altitude² = hypotenuse²

  2² +  altitude² = 10²

4 +  altitude² = 100

      altitude² = 100 - 4

      altitude² = 96

      altitude = √96 = 9.79 m

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5 0
4 years ago
Point A is at -7, -3. There are 12 points between A and B. What are possible coordinates for point B?
Finger [1]

Answer:

(5,9)

(-19, - 15)

(5, - 15)

(-19, 9)

Step-by-step explanation:

Given that :

Coordinate of point A = - 7, - 3

Number of points between point A and B = 12

Possible coordinate of point B

Possible coordinates of point B:

(-7, - 3) + 12 = (5, 9)

(-7, - 3) - 12 = (-19, - 15)

(-7, - 3) = (-7 +12, -3 - 12) = (5, - 15)

(-7, - 3) = (-7 - 12, - 3 + 12) = (-19, 9)

Hence possible coordinates of be are :

(5,9)

(-19, - 15)

(5, - 15)

(-19, 9)

8 0
4 years ago
17 which equation has the same solutions as x6x-750?1) (x+3) 213)
Ilya [14]
Hello,

x²+6x-7=0
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Answer D

8 0
3 years ago
What is meaning of irrational exponents.
sweet [91]

Answer:

Here

Step-by-step explanation:

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