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Usimov [2.4K]
3 years ago
13

Circle O is inscribed in square EFGH.

Mathematics
1 answer:
Citrus2011 [14]3 years ago
3 0

Answer:

D) 25.5 cm

Step-by-step explanation:

Circumference = pi × d

20 = 3.14 × d

d = 6.3694267516

Diameter = length of one side

Perimeter of the square = 4s

4(6.3694267516)

25.4777070064 cm

From the options, closest is 25.5

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69) Half-way to the center of a planet of uniform density, your weight compared to that at the surface would be :
mel-nik [20]

Answer:

One- half

Step-by-step explanation:

Since the density is uniform  

Mass of the sphere = [(4/3) π r^3] d

where d is the uniform density.

Mass of the sphere = [(4/3) π d] r^3 = k r^3

where k = [(4/3) π d] is a constant  

Weight = mg = G m M / r^2 = G m [k r^3] /r^2 = G m k r

Using Gauss’ law for gravitation,

Half way to the center of a planet the weight is only due to the inner sphere and the outer sphere does not contribute to his weight,  

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Answer is one-half.

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3 years ago
What is 112.491 written in word form?​
bearhunter [10]

Answer:

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Step-by-step explanation:

6 0
2 years ago
F=G(m1-m2)/d2 solve formula for m1 plz... thank you
antoniya [11.8K]

1. f = g(m1 - m2)/d2

2. f d2 = g(m1 - m2)

3. f d2/g + m1 - m2

4. f d2/g + m2 = m1

5. [Answer]  m1 = f d2/g + m2


6 0
3 years ago
PLZ HELP!!!! WILL MARK BRAINLIEST!!!!
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Answer:

2a^{3} b^{5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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