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krok68 [10]
3 years ago
14

Heeeeeeeeeeelp pls! I need this done very soon

Mathematics
1 answer:
Eddi Din [679]3 years ago
4 0

Answer:

The scale factor is 0.5

It is a reduction

Step-by-step explanation:

∵ The length of the side of the first Δ = 3.4

∵ The length of the side of the second Δ = 1.7

∵ 1.7/3.4 = 1/2 = 0.5

∴ The scale factor is 0.5

∵ The second Δ is smaller than the first Δ

∴ It is a reduction

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Step-by-step explanation:

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Find the range of the function f(x)=(x-2)^2+2
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The function is in vertex form of a quadratic function.
Vertex form is f(x)=a(x-h)^2+k
The vertex is (h, k)

In this case, our vertex is (2, 2). The a value is positive which means that the graph points up. Since the graph points up, the vertex is the minimum, the lowest point of the graph. The range refers to y-values, so the range of the function is y/y>2. It can also be written as 2≤y<span>≤positive infinity.</span>
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Step-by-step explanation:

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4 0
3 years ago
At the start of his race, 86-kg Olympic 100m champion Usain Bolt pushes against the starting block, exerting an average force of
Leviafan [203]
1) Determine the horizontal force, Fx, exerted by the block on Usain

cos(20°) = Fx / F => Fx = F*cos(20) = 1700N*cos(20) = 1597.48 N

2) Determine the Impulse of that force on Usain.

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3) Determine change in momentum of Usain, Δp

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3 0
3 years ago
PLEASE HELP ME Check the picture and tell me whats the answer please
german

Answer:

B

Step-by-step explanation:

Given

(4x + 3)(3x - 4)

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= 12x² - 7x - 12

The coefficient of the x- term is - 7 → B

3 0
3 years ago
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