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oee [108]
4 years ago
6

A jar contains 6 red, 8 blue, one white, 7 black, and two

Mathematics
1 answer:
kompoz [17]4 years ago
4 0

Answer:

1) 1/23  2) 6/23  3) 2/23  4) 0/23  5) 7/23

Step-by-step explanation:

There are 23 marbles in total.

1) 1/23    There is 1 white marble.

2) 6/23   There are 6 red marbles.

3) 2/23    There are 2 yellow marbles.

4) 0/23   There are 0 purple marbles.

5) 7/23    There are 7 black marbles.

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The scale factor that Thea uses to go from Rectangle Q to Rectangle R is equal to 6.

<h3>What is the scale factor from rectangle Q to rectangle R?</h3>

In geometry, the scale factor is a ratio of the resulting length to the initial length. Since the area of the square is equal to the square of its side length, then the scale factor is equal to:

k² = A' / A

k = √(A' / A)

Where:

  • k - Scale factor
  • A' - Area of the rectangle R.
  • A - Area of the rectangle Q.

If we know that A = 2 and A' = 72, then the scale factor is:

k = √(72 / 2)

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Then, the scale factor that Thea uses to go from Rectangle Q to Rectangle R is equal to 6.

To learn more on scale factors: brainly.com/question/22312172

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Sail with the equation by completing the square x^2+8x=-3
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Answer:

The solutions are x=-4(+/-)\sqrt{13}

Step-by-step explanation:

we have

x^{2} +8x=-3

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x^{2} +8x+16=-3+16

x^{2} +8x+16=13

Rewrite as perfect squares

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