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Setler [38]
3 years ago
14

If P = (-2,-1) and Q = (4,3) are the

Mathematics
1 answer:
Ivanshal [37]3 years ago
3 0

Answer:

Step-by-step explanation:

P(-2,-1) and Q(4,3)

average of x-coordinates = (-2+4)/2 = 1

average of y-coordinates = (-1+3)/2 = 1

midpoint of PQ: (1,1)

distance between midpoint and Q = √((4-1)²+(3-1)²) = √13

(x-1)² + (y-1)² = 13

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we know that

The radius of the hydrogen atom is  0.529*10^{-10}m

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the ratio is equal to

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that means the radius of the hydrogen atom is 44,083.33 times the radius of the nucleus

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Answer:

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4 years ago
What must be added to -16 to give 45​
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Answer:

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