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Anna007 [38]
2 years ago
7

Max's house has two steps on

Mathematics
1 answer:
Drupady [299]2 years ago
7 0

Given:

Max's house has two steps on  the front porch.

Size of each step is the same.

To find:

The total vertical distance covered by  the two steps.

Solution:

From the given figure, it is clear that,

Base length of each step = 6 in

Hypotenuse = 10 in

Let h be the vertical height of each step.

Using Pythagoras theorem, the vertical height of one step is

Base^2+Perpendicular^2=Hypotheuse^2

6^2+h^2=10^2

36+h^2=100

h^2=100-36

h^2=64

Taking square root on both sides.

h=\pm\sqrt{64}

h=\pm 8

Height cannot be negative. So, h = 8 in.

Now,

Vertical height of 2 steps = 2\times 8

                                         = 16

So, the total vertical distance covered by  the two steps is 16 in.

Therefore, the correct option is A.

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The image shows the energy that can be generated from the Earth's water and the pull of the Moon's gravity.
tester [92]

Answer:

It is tidal energy, which is a renewable resource

Step-by-step explanation:

Tidal energy is is the energy produced when interaction of earth water masses and Moon's gravitational pull takes place. when moon's gravitational pull occurs on ocean water, currents and motion is produced in ocean water which leads to rise in water. when earth rotates this rise in water meets the shallow region of water near the shore and hence tide is created. This motion of  rise and fall of water stores energy which is called tidal energy.

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