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nadya68 [22]
3 years ago
7

Math Help!

Mathematics
2 answers:
AnnyKZ [126]3 years ago
3 0
Area = πr² = π(8)² = 201.06 in²

Answer: 201.06 in²
Rufina [12.5K]3 years ago
3 0
Hello :)

A= (pi) r^2

A= (pi) 8^2

A= (pi) 64

Answer: approximately 201.06

Hope this helps and have a great day!
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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
            Find the approximate solution of this system of equations.
Montano1993 [528]
Y = |x² - 3x + 1|
y = x - 1

|x² - 3x + 1| = x - 1
|x² - 3x + 1| = ±1(x - 1)
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|x² - 3x + 1| = 1(x) - 1(1)    or    |x² - 3x + 1| = -1(x) + 1(1)
|x² - 3x + 1| = x - 1        or         |x² - 3x + 1| = -x + 1
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        - x        - x                                + x         + x
  x² - 4x + 1 = -1           or            x² - 2x + 1 = 1
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  x = -(-4) ± √((-4)² - 4(1)(1))    or    x = -(-2) ± √((-2)² - 4(1)(0))
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  x = 4 ± √(16 - 4)            or            x = 2 ± √(4 - 0)
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  x = 4 ± √(12)              or               x = 2 ± √(4)
             2                                                  2
 x = 4 ± 2√(3)               or               x = 2 ± 2
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The solution (0, -1) can be made by one function (y = x - 1) while the solution (2 ± √(3), 1 ± √(3)) can be made by another function (y = |x² - 3x + 1|). So the solution (2, 1) can be made by both functions, making the two solutions equal.
4 0
3 years ago
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