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Sever21 [200]
3 years ago
8

Can someone please help me out here ?

Mathematics
2 answers:
ASHA 777 [7]3 years ago
8 0

Answer:

4

Step-by-step explanation:

The median is the middle, since the amount of data is an even number we need to add up the third number and fourth number. These are 3 and 5 respectively. Adding these up gives up 8. Dividing this by 2 is 4.

Lady_Fox [76]3 years ago
3 0
2 2 3 5 7 7

3+5/2 = 4

The median is 4
Hope this helps!
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Using the dot product:

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||x|| = √(x • x)

This means that

||w|| = √(w • w)

… = √((u + z) • (u + z))

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… = √(||u||² + 2 (u • z) + ||z||²)

We have

u = ⟨2, 12⟩   ⇒   ||u|| = √(2² + 12²) = 2√37

z = ⟨-7, 5⟩   ⇒   ||z|| = √((-7)² + 5²) = √74

u • z = ⟨2, 12⟩ • ⟨-7, 5⟩ = -14 + 60 = 46

and so

||w|| = √((2√37)² + 2•46 + (√74)²)

… = √(4•37 + 2•46 + 74)

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w = u + z = ⟨2, 12⟩ + ⟨-7, 5⟩ = ⟨-5, 17⟩

and so

||w|| = √((-5)² + 17²) = √314 ≈ 17.720

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2 years ago
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