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4 years ago

How many points are shared by concentric circles?

Mathematics

2 answers:

Soloha48 [4]4 years ago

5 0

Answer:

Step-by-step explanation:

By Theorem 10.2, in the same circle or congruent circles, if two chords are equal, then their corresponding minor arcs are congruent. Concentric circles have the same center but the circles do not intersect. Therefore, the number of points shared by concentric circles is 0.

likoan [24]4 years ago

5 0

Zero,

Concentric means they all share the same center point. circles within circles. none ever touches another.

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Which transformation represents a reflection over the x-axis?

kakasveta [241]

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Step-by-step explanation:

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3 years ago

I WILL MARK BRAINLEST!!! FOR YOU CAN ANSWER THESE TWO

ludmilkaskok [199]

Answer:

First question: 1.4

Second question: Option 3

Step-by-step explanation:

First question:

You simplify the left equation first,

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For this to equal the right equation, the number missing must be 1.4.

Second question:

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3 years ago

4. Name the first five terms of the arithmetic sequence. a1 = -35, d=4

eduard

Answer:

Step-by-step explanation:

We first have to write the equation for the sequence, then finding the first five terms will be easy. Follow the formatting:

$a_n=a_1+d(n-1)$ and we are given enough info to fill in:

$a_n=-35+4(n-1)$ and

$a_n=-35+4n-4$ and

$a_n=-39+4n$ or in linear format:

$a_n=4n-39$ where n is the position of the number in the sequence. We already know the first term is -35.

The second term:

$a_2=4(2)-39$ so

$a_2=8-39$ and

$a_2=-31$

The third term:

$a_3=4(3)-39$ and

$a_3=12-39$ so

$a_3=-27$ and we could go on like this forever, but the nice thing about this is when we know the difference all we have to do is add it to each number to get to the next number.