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vera_ewing

  • one year ago

Math question

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  1. vera_ewing
    • one year ago
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  2. Michele_Laino
    • one year ago
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    we can write this: R= requested rate \[R = \frac{{f\left( {\pi /2} \right) - f\left( 0 \right)}}{{\left( {\pi /2} \right) - 0}} = \frac{{5 - 3}}{{\frac{\pi }{2}}} = ...?\]

  3. Michele_Laino
    • one year ago
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    \[\Large R = \frac{{f\left( {\pi /2} \right) - f\left( 0 \right)}}{{\left( {\pi /2} \right) - 0}} = \frac{{5 - 3}}{{\frac{\pi }{2}}} = ...?\]

  4. campbell_st
    • one year ago
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    what us the rise in the curve between the points...? then you know the run is \[\frac{\pi}{2}\]

  5. vera_ewing
    • one year ago
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    2/1.57 ?

  6. Michele_Laino
    • one year ago
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    yes! better is: 4/pi

  7. vera_ewing
    • one year ago
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    So the answer is D. 4/pi ?

  8. campbell_st
    • one year ago
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    leave it as an exact value remember dividing by a fraction means you flip and multiply \[2 \times \frac{2}{\pi} \]

  9. Michele_Laino
    • one year ago
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    that's right!

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