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calculate the mass that would yield a body mass index (BMI) of 20 or less for each of the following heights
a) 150cm b) 185cm
an athlete's BMI os 20. for each mass how tall is the athlete
a) 65kg b) 55kg

2007-05-13 05:06:04 · 1 answers · asked by cutie pie! 3 in Science & Mathematics Mathematics

1 answers

Body mass =mass(kg)/height ^2 height in meters
a)20>= M/(1.5)^2 so M<= 20*1.5^2 =45kg
M=20*1.85^2=68.45kg
b) 20=65/n^2
so h= sqrt(65/20)=1.8028m
h=1.6583m

2007-05-13 07:53:27 · answer #1 · answered by santmann2002 7 · 0 0

The question needs to be edited. The answer depends on how body mass index (BMI) is defined.



a)

.20(150²) or greater.

.20(185²) or greater.


b)

√(65/.20)

√(55/.20)

2007-05-13 05:30:36 · answer #2 · answered by Mark 6 · 0 0

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