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Mathematics, 25.04.2020 01:37, janeou17xn
A teacher had 12 purple pens if the ratio of purple pens to blue pens she owned was 4:1 how many pens did she have total?
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Answers: 3
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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?
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Mathematics, 21.06.2019 15:00, coopera1744
Answer this question! 30 points and brainliest! only if you know the answer.
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Mathematics, 21.06.2019 16:30, cxttiemsp021
Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?
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Mathematics, 21.06.2019 20:00, gracieorman4
Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11
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A teacher had 12 purple pens if the ratio of purple pens to blue pens she owned was 4:1 how many pen...
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