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3 years ago

8

Q’R’S’ is the image of QRS under a dilation through point C. What scale factor was used in the dilation?

2 answers:

ad-work [718]3 years ago

7 0

-4 i believe is the answer

nalin [4]3 years ago

5 0

Answer:

-4

Step-by-step explanation:

done the topic, got it correct

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The answer is 4$ per note book

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3 years ago

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Can you help me do number three?

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Step-by-step explanation:

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For which positive integer values of $k$ does $kx^2+20x+k=0$ have rational solutions? Express your answers separated by commas a

Musya8 [376]

Answer:

-10,10

Step-by-step explanation:

The given quadratic equation is

$k {x}^{2} + 20x + k = 0$

The discriminant of this equation is given by;

$D = {b}^{2} - 4ac$

where a=k, b=20, c=k

For rational solutions, the discriminant must be zero.

${20}^{2} - 4 \times k \times k = 0$

Simplify to get:

$400 - 4 {k}^{2} = 0$

This implies that:

$400 = 4 {k}^{2}$

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Take square root to get:

$k = \pm\sqrt{100}$

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3 years ago

After their hike, Joe and Mike took a taxi back to the trailhead. The taxi cost $26 plus $0.35 per mile. Which type of function

Sauron [17]

Answer:

The answer would be A. 1 1/5

Step-by-step explanation:

48/40 = 1 8/40

1 8/40 Simplify to 1 1/5

Hope this helps!

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3 years ago