Why do we need to learn about median and mode?

1 answer:

3 0

We need to learn about median and mode because they are both important in statistical data and statistical data is what shows us important information about the world around us.

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Identify the type of force described (contact or noncontact):

Soloha48 [4]

Answer:

1.contact force

2. Non contact

Explanation:

1. Because bodies are in contact

2.Bodies are not in contact.

8 0

3 years ago

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The intensity of an earthquake wave passing through the earth is measured to be 2.5×106 j/(m2⋅s) at a distance of 43 km from the

vampirchik [111]

r₁ = distance of the point from the source = 43 km = 43000 m

I₁ = intensity of earthquake wave at distance "r₁" = 2.5 x 10⁶ W/m²

r₂ = distance of the point from the source = 1.5 km = 1500 m

I₂ = intensity of earthquake wave at distance "r₂" = ?

we know that , for a constant power , the intensity of wave is inversely proportional to the distance from the source .

I α 1/r² where I = intensity of wave , r = distance from source

hence we can write

I₁/I₂ = r₂²/r₁²

inserting the values

(2.5 x 10⁶) /I₂ = (1500/43000)²

I₂ = 2.1 x 10⁹ W/m²

4 0

2 years ago

Use the illustration to answer the question :)

Naily [24]

Answer:

This type of heat transfer occurs inside materials, typically solid materials. The heat from the fire is passed from molecule to molecule along the length of the material. The fire will generally follow the heat or sometimes the heat from conduction may cause a new fire to ignite elsewhere. The conduction is happening in the walls of the fireplace

Explanation:

SKATE OR DIE> LOSER

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2 years ago

A key falls from a bridge that is 44 m above the water. It falls directly into a model boat, moving with constant velocity, that

Lady_Fox [76]

The time $t$ it takes for the key to fall 44 m is