SOLUTION: If anyone could help me with the following 2 problems I would appreciate it. Thank You Principal of zero v^2+5v-14=0 ----------- ----------- ----------- ----------- The po

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: If anyone could help me with the following 2 problems I would appreciate it. Thank You Principal of zero v^2+5v-14=0 ----------- ----------- ----------- ----------- The po      Log On


   

Question 122584: If anyone could help me with the following 2 problems I would appreciate it.
Thank You
Principal of zero
v^2+5v-14=0
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The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity in liters of a female with a height in centimeters and age in years. Find the lung capacity of a 60 year old woman who is 170cm tall.
Her lung capacity is approximately _______ liters.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Principal of zero
v^2+5v-14=0
(v-7)(v+2)=0
v = 7 or v=-2

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The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity in liters of a female with a height in centimeters and age in years. Find the lung capacity of a 60 year old woman who is 170cm tall.
Her lung capacity is approximately _______ liters.
0.0141*170 - 0.0182*60 - 2.69 = -1.3850
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Comment: I think the polynomial has a typo somewhere ; the calculation
should not turn out to be negative.
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Cheers,
Stan H.