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Ede4ka [16]
3 years ago
7

In the picture below

Mathematics
1 answer:
beks73 [17]3 years ago
5 0
Where is the picture
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An 8.5-meter ladder is leaning against a vertical wall. How many meters is its base from the wall if the ladder reaches 7.5 mete
Monica [59]

Answer:

  4 m

Step-by-step explanation:

The geometry is that of a right triangle with hypotenuse 8.5 m and one side of length 7.5 m. If "b" represents the distance from the base of the ladder to the wall, the Pythagorean theorem tells us ...

  b² + 7.5² = 8.5²

  b² + 56.25 = 72.25

  b² = 16 . . . . . . . . . . . . . subtract 56.25

  b = 4 . . . . meters . . . (take the square root)

The base of the ladder is 4 m from the wall.

_____

You may recognize this as the 8-15-17 Pythagorean triple, scaled by 1/2.

7 0
4 years ago
7.45 x 103 = ___<br><br> 7.45<br> 74.5<br> 7,450<br> 74,500
lbvjy [14]

Answer:

767.35

Step-by-step explanation:

use a calculator

6 0
3 years ago
Shelter A has a capacity of 300 beds and is 80% occupied. Shelter B is 45% occupied. The ratio of the occupancy of shelter A to
sasho [114]

Answer:there are 900 beds in shelter B

Step-by-step explanation:

Shelter A has a capacity of 300 beds and is 80% occupied. This means that the number of beds in Shelter A that would be

80/100 × 300 = 0.8 × 300 = 240 beds.

Let x represent the capacity of Shelter B. Shelter B is 45% occupied. It means that number of beds in Shelter B that would be occupied is

45/100 × x = 0.45 × x = 0.45x beds.

Total occupancy of shelter A and shelter B would be

240 + 0.45x

The ratio of the occupancy of shelter A to shelter B is 16:27

Total ratio of occupancy = 16 + 27 = 43

Therefore

27/43 × (240 + 0.45x) = 0.45x

27(240 + 0.45x) = 0.45x × 43 = 19.35x

6480 + 12.15x = 19.35x

6480 = 19.35x - 12.15x = 7.2x

x = 6480/7.2 = 900

3 0
3 years ago
I only need answer for part A.
Delvig [45]

Answer:

y= 1/6 x - 1 1/2

p-by-step explanation:

5 0
3 years ago
Read 2 more answers
Area of the blue shaded region? please show work ​
ddd [48]

Answer:

Step-by-step explanation:

22/7x4^2=50.28

3x3=9

50.28-9=41.28

3 0
4 years ago
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