Posted by C-GUTTER on Friday, December 18, 2009 at 5:42pm.
b.Between the years 1975 and 2000, do women or men have the greater life expectancy?
c.Explain using slope: is the life expectancy of men or women increasing more rapidly?
2.Using the given equations above for the life expectancy of men and women, write an inequality to determine the birth years where the life expectancy of men is greater than that of women.
3.Solve the inequality from question 2. Round your answer to the nearest whole number.
4.a.Write an inequality to determine the birth years of women whose life expectancy is at least 85.
b.Solve the inequality in question 4.
6.The consumption of cigarettes is declining. If t represents the number of years since 1985, then the consumption, C, is modeled by
where C represents the number of billions of cigarettes smoked per year.
a.Write an inequality to show the first year cigarette consumption is less than 200 billion cigarettes a year.
b.Solve the inequality from part a.
7.The sign on the elevator in a seven-story building states that the maximum weight it can carry is 1500 pounds. As part of your work-study program, you need to move a large shipment of books to the sixth floor. Each box weighs 60 pounds.
a.Let n represent the number of boxes placed in the elevator. You weigh 185 pounds. Write an expression that represents the total weight in the elevator.
b.Using the expression in part a, write an inequality that can be used to determine the maximum number of boxes that you can place in the elevator at one time and solve.
I need help with these questions
Answer this Question
Intermediate Algebra - a male born in 1975 does not want his future wife to ...
math - (1)A grocer kept all the pennies he found left in his store from 1975 to ...
College Algebra - An amount of $500 was invested in 1970 and the investment grew...
Intermediate algebra - The number of trout in America, since 1970, is given by ...
algebra - ne U.S. town, the annual consumption, b, of beef (in kg per person) ...
Algebra 1A - Enrichment Exercise Life Expectancy MAT 116 – Algebra 1A I need ...
Calculus - The number of people who donated to a certain organization between ...
Pre-Calculus - The median salary for male workers for the years 1975-2006 can ...
Algebra 1A - describe what the graph of interval -4, 10 looks like? This is for ...
Math Algebra 1A - How do you type the time measured in years when it involve the...