Mathematics, 24.07.2019 08:00, NickCamryn5472
The equation for the ph of a substance is ph = –log[h+], where h+ is the concentration of hydrogen ions. what is the approximate ph of a solution whose hydrogen ion concentration is 2*10^-9 a. 1.0 b. 2.9 c. 8.7 d. 9.3
Answers: 2
Mathematics, 21.06.2019 18:20, julieariscar769
Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.
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Mathematics, 21.06.2019 18:30, jamilecalderonpalaci
Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2
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Describe a situation that you could represent with the inequality x< 17
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Mathematics, 21.06.2019 20:00, ayoismeisalex
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
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The equation for the ph of a substance is ph = –log[h+], where h+ is the concentration of hydrogen i...
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