Need HELP!!! For all, I’m truly confused

1 answer:

6 0

Step-by-step explanation:

You need to know some geometry rules.

For example:

Angle sum of a triangle is equal to 180 degrees.

Straight line is equal to 180 degrees.

Other rules I have attached.

If you have any confusion over these I will be happy to answer your questions.

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Answer:

Step-by-step explanation:

0.38 = 19/50

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Anna [14]

The density is 9 g/cm3

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alina1380 [7]

Fu/ac=mu/bc so 27/36=mu/24 so mu= 18

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Assoli18 [71]

It is centered at (h,k) --> (0,0) and has a radius 9

The equation of the circle is

$(x-h)^{2} +(y-k)^{2} =r^{2} \\(x-0)^{2} +(y-0)^{2} =r^{2}\\x^{2} +y^{2} = 9^{2}$

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