Mathematics, 25.03.2020 21:23 ashlynwestgate11
Brian correctly used a method of completing the square to solve the equation x2+7x-11=0. Brian's first step was to rewrite the equation as x2+7x=11. He then added a number to both sides of the equation. Which number did he add?
Answers: 1
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Brian correctly used a method of completing the square to solve the equation x2+7x-11=0. Brian's fir...
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