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Mathematics, 21.06.2019 21:30
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?
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Mathematics, 22.06.2019 02:30
(fog)(x) if f(x)=x^2- 4 and g(x)=x^2 + 2 x, f(g(x))= f(x^2+2x) (x^2+2x)^2-4 (x^2+2x)(x^2+2x)-4 (x^4+2x^3+5x+4x^2)-4 x^4+2x^3+4x^2+5x-4 what am i doing wrong
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Mathematics, 22.06.2019 03:00
Plz 20 points polynomials 1: subtract and simplify (βy^2 β 4y β 8) β (β4y^2 β 6y + 3) 2: multiply and simplify 2x^2 y^3 z^2 Β· 4xy^4 x^2 3: multiply and simplify (x β 4) (x2 β 5x β 6)
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