navaneeth13

01.03.2020

Math

Secondary School

+5 pts

Answered

In a survey of 100 students, it was found that 45 students studied economics ,30 took up public administration and 52 sociology , 6 students took up all the subjects , 17 studied economics and public administration , 15 took economics and sociology and 8 public administration and sociology.

Write the equation in logarithmic form e^x=403.429

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was