alexmoy45p8yd7v
21.04.2020 •
Mathematics
3.5.PS-7
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Find the circumference of the circle.
2
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BESTE
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4 cm
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The circumference is cm.
(Type an exact answer in terms of p.)
WHERE
HA
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Ответ:
Y = (X+Z)/2
X = Z/2
replacing X in Y
Y = (Z/2 + Z)/2 = 3Z/4
Putting equations X and Y in equation ( X + Y + Z = 9 )
We have,
Z/2 + 3Z/4 + Z = 9
Multiply through by 4
2Z + 3Z + 4Z = 36
Z = 4
Replacing Z to solve for X and Y
Y = 3
X = 2