SOLUTION: The body mass index, I, can be used to determine an individuals risk for heart disease. An index less than 25 indicates a low risk. The body mass index is given by the formula or
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Question 145948: The body mass index, I, can be used to determine an individuals risk for heart disease. An index less than 25 indicates a low risk. The body mass index is given by the formula or model where w=weight, in pounds and h=height, in inches.
Francis weighs 168 pounds and stands 68 inches tall. What is his approximate body mass index? Find an inequality describing all weights w that Francis can have and be in the low-risk category.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
"What is his approximate body mass index?"
Start with the given equation.
Plug in and
Multiply and to get .
Square to get .
Divide.
So his approximate body mass index is about 25.43
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"Find an inequality describing all weights w that Francis can have and be in the low-risk catergory."
Start with the given equation.
Plug in
Set the left side less than 25.
Square to get .
Multiply both sides by .
Divide both sides by to isolate w.
So any weights less than 165 pounds will put him in the low-risk category.
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