The polynomials 0.04h - 0.018a - 2.69 can be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a, in years. Find the lung capacity of a 40-year old woman who is 200 centimeters tall. Her lung capacity is approximately -- liters?

Question

The polynomials 0.04h - 0.018a - 2.69 can be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a, in years.  Find the lung capacity of a 40-year old woman who is 200 centimeters tall.  Her lung capacity is approximately -- liters?

anonymous · Answer

substitute the values 40 for a and 200 for h

anonymous · Answer

so can you show me how to arrive at the answer

anonymous · Answer

0.04(200)-0.018(40)-2.69

anonymous · Answer

excuse me mr.joselson wen yur done i nd yur HELP ASAP!!!!!!:l

anonymous · Answer

neasha - what can I help you with

anonymous · Answer

mrjoselson
is the final answer 316.59 liters

anonymous · Answer

I get 4.59 liters

anonymous · Answer

8 - 0.72-2.69

anonymous · Answer

ok that's what I forgot to do I did not break the equation into two parts thanks so much you are a life saver

anonymous · Answer

ok just checking on answers now plse:
subtract (2a^3 + 3b^3) - (6a^3 + 4a^2b - 4ab^2 + 3b^3 = -4a^3 - 4a^2b + 4ab^2 ans.

anonymous · Answer

correct

anonymous · Answer

thnks