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inn [45]
2 years ago
14

This is so hard to me i need help fast

Mathematics
1 answer:
Alexus [3.1K]2 years ago
8 0

Answer:

1/3

Step-by-step explanation:

You can answer this as

9/27=1/3

and

3/9=1/3

and so 1/3 is the the constant proportionality for both figures

Hope You Understand :)

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3 years ago
Given that u =< 2,12 >, and z =< -7,5 >
swat32

Using the dot product:

For any vector x, we have

||x|| = √(x • x)

This means that

||w|| = √(w • w)

… = √((u + z) • (u + z))

… = √((u • u) + (u • z) + (z • u) + (z • z))

… = √(||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)

… = √314 ≈ 17.720

Alternatively, without mentioning the dot product,

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

and so

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

7 0
2 years ago
Write an equation for the line in slope-intercept form.​
avanturin [10]

Answer:

y=2

Step-by-step explanation:

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Which pair of numbers is relatively prime?
AnnZ [28]
The answer is C, as both numbers are only both divisible by 1.
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2x+3=-7 twenty Chanda long-standing look
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x =-5

Step-by-step explanation:

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3 years ago
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