Solve the proportion.

What will be an ideal response?



Mathematics

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Determine whether the function is one-to-one.

A. Yes B. No

Mathematics

Indicate whether the statement is true always, sometimes, or never.The sum of two imaginary numbers is an imaginary number.

A. Never B. Sometimes C. Always

Mathematics

Factor completely. If a polynomial cannot be factored, say it is prime.2y3 - 4y2 - 30y

A. 2y(y - 3)(y + 5) B. 2y(y + 3)(y - 5) C. (y - 3)(2y2 + 10) D. (2y2 + 6y)(y - 5)

Mathematics

The following income distribution data define points on Lorenz curves, where x represents the fraction of a certain country's population and L(x) the cumulative percent of income held by fraction x. Use this data and a numerical method to evaluate  and hence to find the Gini coefficient of income for this country in 1995 and 2003. Round your answers to three decimal places.

 
x
 
0.0
0.2
0.4
0.6
0.8
1.0
L(x) for Americans
 
 
 
 
 
 
1995
0
3.5
12.9
29.8
53.6
100
2003
0
2.1
11.1
26.2
52.5
100
 
?

A. ?

 

?


B. ?

?



C. ?

 

?


D. ?

?



E. ?

??

?


Mathematics