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anonymous

  • one year ago

Find a function that models the area of the window

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    i need help trying to solve this.

  3. triciaal
    • one year ago
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    Area of window = area of semi-circle plus area of the rectangle

  4. triciaal
    • one year ago
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    perimeter means sum of lengths all the way around the figure circle the circumference 2 pi r where r is the radius rectangle 2 times the length + 2 times the width

  5. triciaal
    • one year ago
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    |dw:1434950930565:dw|

  6. triciaal
    • one year ago
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    A = (pi* r^2 /2 ) + (x*h ) can substitute for h from the equation for the perimeter

  7. triciaal
    • one year ago
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    do you need #26 also?

  8. Isaiah.Feynman
    • one year ago
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    Why would "r" be in the equation for the perimeter of the window. Since its just the distance around the window. Shouldn't it be \[P = x+2h+\frac{\pi x }{ 2 } \]

  9. Isaiah.Feynman
    • one year ago
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    Actually, what I'm hinting at is that you should express in term of x.

  10. triciaal
    • one year ago
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    |dw:1434952910031:dw| thought process ok same thing yes express in terms of x since function of x

  11. Isaiah.Feynman
    • one year ago
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    Yep. I looked at what you did too quickly.

  12. triciaal
    • one year ago
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    also said substitute for h

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