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Andru [333]
3 years ago
11

Find the sum or difference. Simplify if possible.

Mathematics
1 answer:
Scilla [17]3 years ago
3 0

Answer:

A 1 1/12

Step-by-step explanation:

just add 4 and 9 you get 13

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9.1 x 10-31 kg.
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Each electron has a charge of 1.6 X 10-19 C, where C stands for Coulombs. So, the n electrons have a charge of q = ne = (1.10 X 1030 electrons) X (1.6 X 10-19 C/electron) = 1.76 X 1011 C.
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3 years ago
Tangent line i think please help me find x
Alex

Answer:

x= 6.5 cm

Step-by-step explanation:

When a tangent line touches the circle, it forms a right angle triangle at that point

Apply the Pythagorean relationship in this case

Given that the height is = 20.2 cm = b

The hypotenuse is = c= x+14.7 cm

General formulae is;

a² +b² =c²

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x² + 408.04= x² +14.7x+14.7x+216.09

x² + 408.04= x² + 29.4 x +216.09.........................collect like terms

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x=6.5 cm

6 0
3 years ago
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