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Answers by Ayanaw H.

identify the solution of the inequality (answer)

|x+3|-3 > 1 Two case by replacing equal sign, a related equation. Case one x+3 -3-1 = 0 X-1 =0 X = 1 Case two -(x+3)-3-1 =0 -x -3-4 =0 -x-7 =0 -x = 7 x = -7 using a number line analysis: Check each interval (- infinity, -7], [-7, 1] and [1,...

Find the inverse Laplace transform? (answer)

Sol/   use a partial fractions to rewrite F(s)in a form.    Please carefully watch the parentheses  3s/(s^2-s-6) = 3s/(s-3)(s+2) = A/(s-3) + B/(s+2) = (A(s+2)+B(s-2))/((s-3)(s+2)) Therefore we have  A(s+2) +B(s-3)  = 3s plugging...

How do you divide a decimal from a decimal? (answer)

To solve any math question, there may be more than one ways to solve it. 1.79 by 10.5, multiple both of them by 100 which give us 179 by 1050 and then divide it, 179/1050 = 0.17047---

I need help in factoring (answer)

Which question is right  (2y)^3+(6y)^2    or 2y^3+6y^2 ? To factor this (2y)^3+(6y)^2 =  2^3 y^3+3^2 2^2 y^2 =  2^2 y^2 (2y+3^2 ) =  4y^2 (2y+9) 2y^3 +6y^2 answered by Nataliya