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 23:00, freebyyy7032
Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
Answers: 2
Mathematics, 21.06.2019 23:30, teenybug56
If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p
Answers: 2
Mathematics, 22.06.2019 00:30, mlbowman3644
Can someone me find the original price? the discount is 5% and the sale price is $68.40
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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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