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iVinArrow [24]
3 years ago
14

What is the equation of circle whose centre is (0,0) and radius'r' ?​

Mathematics
1 answer:
adoni [48]3 years ago
4 0

Answer:

On the right is a circle with centre (0, 0), radius r and (x, y) any point on the circle. Distance between (0,0) and (x, y) equals the radius, r. If the centre is (0, 0), the equation of the circle will be of the form x2 + y2 = r2.

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The placebo effect is an example of a(n) experimenter bias. participant bias. random assignment bias. random selection bias.
densk [106]

Answer:

participant bias

Step-by-step explanation:

Participant bias is sometimes called as subject bias. it is referred to as the tendency of a subject that forces them to act in an experiment. it is held because that they think researchers is looking up to them to act. it occurs only when the subject has detail knowledge about the study or project.

Participant bias is a subject initiative to know about the inner thought of the researcher so the subject acts according to what the researcher wants to hear.

4 0
3 years ago
Write in standard form a)0.00000678 b)3170000
otez555 [7]

Standard Form:

a) 0.00000678

b) 3170000

Scientific Notation:

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Is this what you meant?

8 0
3 years ago
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Romashka [77]

Answer:

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Step-by-step explanation:

I graphed it

7 0
2 years ago
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patriot [66]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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6 0
3 years ago
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Orlov [11]

Answer:

80 cubes

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1 / 8 × x = 10

x = 10 × 8

x = 80 cubes

6 0
3 years ago
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