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Mathematics, 05.01.2022 03:30, kimberly185
Carla and Jordan were trying to solve the equation: (x+1)(x-1)=8 Carla said, "I'll multiply (x+1)(x-1) and rewrite the equation as x^2-1=8x 2 −1=8x 8. Then I'll add 1 both sides and take the square root." Jordan said, "The left-hand side is factored, so I'll use the zero product property."
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Mathematics, 21.06.2019 21:30, xaguilar
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, 21.06.2019 21:40, janetexcoelho
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Carla and Jordan were trying to solve the equation: (x+1)(x-1)=8 Carla said, "I'll multiply (x+1)(x-...
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