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v.s

  • 2 years ago

A machinist is required to manufacture a circular metal disk with area 500 cm2. (a) What radius produces such a disk? (Round your answer to four decimal places.) cm (b) If the machinist is allowed an error tolerance of ±7 cm2 in the area of the disk, how close to the ideal radius in part (a) must the machinist control the radius? (Round your answers to four decimal places.) cm < r < cm

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  1. v.s
    • 2 years ago
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    i need help with the second part

  2. adutton
    • 2 years ago
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    a) Because area=pi*r^2 Solve for r (r=12.6157) b) To solve the second part, do the same thing you did for part a using areas 507 and 493. Does that make sense?

  3. v.s
    • 2 years ago
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    okaay thanks you :)

  4. adutton
    • 2 years ago
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    my pleasure!

  5. v.s
    • 2 years ago
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    (c) In terms of the ε, δ definition of lim x→a f(x) = L, what is x? area target radius radius target area tolerance in the area

  6. v.s
    • 2 years ago
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    can you explain this to me

  7. adutton
    • 2 years ago
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    I'm sorry, I can't! You just went beyond my ability level :) Good luck!

  8. v.s
    • 2 years ago
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    thanks anyways

  9. adutton
    • 2 years ago
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    of course!

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