The formula log(w) = -2.866 + 2.722log(h) estimates the "average" weight w in pounds of a girl h inches tall. To the nearest tenth of a pound, estimate the "average" weight of a girl who is 47 inches tall.

  1. 👍 0
  2. 👎 0
  3. 👁 45
  1. Do you have a calculator? I assume that the log you are talking about is base 10.
    log(47) = 1.672
    log(w) = -2.866 + (2.722)(1.672) = 1.6855
    w = 10^1.6855 = 48.5 lb

    This subject is not trigonometry. It is logarithms. You need a scientific/math hand calculator or a computer to do it. In my school days, we used log tables or a slide rule.

    1. 👍 0
    2. 👎 0
    posted by drwls
  2. What is Trigonometry?

    1. 👍 0
    2. 👎 0
    posted by Beast
  3. 48.5

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. trig

    the formula log w= -2.866 + 2.722 log h estimates the normal weight w in pounds of a girl h inches tall. Estimate the normal weight of a 68" tall girl.

    asked by jerson on October 29, 2008
  2. Algebra

    Please help me with this problem, I'm not entirely sure on what to do to solve it. Thank you, tutors. The weight of an object is related to its length by the equation: weight (in pounds) = 3L^3 (in feet). If the object is 6 feet

    asked by anon on January 6, 2016
  3. statistics

    30 new babies were born yesterday in the hospital. If the average weight of a new born is 7.5 pounds with a standard deviation of 2.1 pounds, what is the probability of the average weight for these 30 newborns is between 7.2 and

    asked by chandler on July 10, 2014
  4. maths- arithmetic

    The average weight for a group of 20 women is 130 pounds.If the average weight for 3/4 of these women was 140 pounds,what was the average weight,in pounds,for the rest of thee women?

    asked by Kwaku on November 18, 2008
  5. math

    The average weight of 6 eight graders is 150 pounds and the average weight of 4 7th graders is 120 pounds what is the average weight of the 10 students twostudents

    asked by khila on August 11, 2014
  6. Statisitics:Standard Deviation of Population and o

    Standard Deviation of Population and of a Sample The weight of newborn children in the United States vary according to the normal distribution with mean 7.7 pounds and standard deviation 1.68 pounds. The government classifies a

    asked by Carma on September 11, 2007
  7. Applied Calculus

    For the average person that is still growing, the rate of change in weight W (in pounds) with respect to height h (in inches) is approximately dW/dh=0.0015h^2 pounds per inch. Suppose that the average person that is 60 inches tall

    asked by Marie on April 20, 2012
  8. College Algebra

    find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds (Rockswold, 2006). Include in your post

    asked by Anonymous on November 22, 2010
  9. Statistics

    Suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 babies is selected. What is the probability that the average weight of

    asked by Anonymous on June 18, 2013
  10. arithmetic

    the average weight of 20 women is 130 pounds. if the average weight for 3/4 of these women was 140 pounds, what was the average weight, in pounds, for th rest of the women?

    asked by Anonymous on August 6, 2009

More Similar Questions