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Marysya12 [62]
3 years ago
8

The ratio of the radii of two circles C1 and C2 is 1.5.

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0

Answer:

Below in bold.

Step-by-step explanation:

The circumference is one dimensional so the ratio  is the same as the radii,

1.5.

The areas are 2 dimensional so the ratio is 1.5^2 = 2.25.

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Furkat [3]

Answer:

P(-1, 0); Q(0, -1); R(2, -1).

Step-by-step explanation:

When you reflect coordinates over the y-axis, the y-coordinates do not change, while the signs of the x-coordinates are flipped. You can see the example attached!

And so, after reflecting P'(1, 0), you would get P(-1, 0) because the sign of the x-value is flipped and the y-value does not change.

Q'(0, -1) becomes Q(0, -1) because 0 is neither negative nor positive, and the y-value does not change.

R'(-2, -1) becomes R(2, -1) because the sign of the x-value is flipped to positive and the y-value does not change.

Hope this helps!

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3 years ago
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3 years ago
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6.
natulia [17]

Answer:  C) Angles A and J

Step-by-step explanation:

Corresponding angles are kind of angles that are in the same position, angles a and J are both right and top corner of the parallelogram.

3 0
2 years ago
Ten times the square of a non-zero number is equal to fifty times the number. what is the number?
lys-0071 [83]
10x^2 = 50x.....subtract 50x from both sides
10x^2 - 50x = 0...factor
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10x = 0
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3 years ago
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