Numerade

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Which statement is true about hydrogen bonds the lifetime of a hydrogen bonds in water is on the order of milliseconds strength of a hydrogen bond 90% of a typical covalent bond hydrogen bond is purely electric static attraction due to the present charges. There's a little overlap between molecules and hydrogen bond would give the hydrogen bond some covalent character.

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when you pass a file name that does not contain a path as an argument to the open function, the python interpreter assumes the files location is the same as that of the program true or false

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As the reserve requirement increases: a the rate of growth of the money supply increases and interest rates decrease b the rate of growth of the money supply decreases and interest rates increase c the rate of growth of the money supply increases and interest rates increase d the rate of growth of the money supply decreases and interest rates decrease

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In the absence of a will, who distributes assets and administers wills for estates above a certain dollar amount? Personal assistants Financial advisors Probate courts Friends

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Which presidential power is checked by required approval of the Senate with a two-thirds vote? Group of answer choices extending diplomatic recognition to foreign governments terminating relations with other nations negotiating treaties with other nations negotiating executive agreements with foreign heads of state

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The labour market for health services includes both medical doctors and nurses. Therefore, this market can be analyzed using the same demand and supply diagram. Select one: True False

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The Mauna Loa Observatory, located on the island of Hawaii, has been monitoring carbon dioxide levels in the atmosphere since 1958. The table below lists the average annual carbon dioxide levels measured in parts per million (ppm) from 1984 to 2006. Year CO? level (ppm) 1984 344.3 1986 347.0 1988 351.3 1990 354.0 1992 356.3 1994 358.9 1996 362.7 1998 366.5 2000 369.4 2002 372.0 2004 377.5 2006 380.9 i. Make a scatter plot of the data, using 1958 as year 0. ii. Find and graph the regression line, using C for the level of carbon dioxide and t for the number of years since 1958. Round to the nearest thousandth. C = iii. Use the model to estimate the carbon dioxide level in the atmosphere in 2005. Round to the nearest tenth.

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Kennedy knows that she has about $114 in her bank account. She knows she earned an interest rate of 3 percent, but she doesn't remember how much she opened the account with a year ago. How much did she put in? a) O b) $3,800.00 $116.18 Oc) $110.68 O d) $117.42

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Simplify the expression. Write your answer with positive exponents. Assume that all variables represent positive real numbers. ((r^(1/4)s^(3/5))^20)/(r^3)

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An AC voltage of the form $\Delta v = 100 \sin 1000t$, where $\Delta v$ is in volts and $t$ is in seconds, is applied to a series RLC circuit. Assume the resistance is 395 $\Omega$, the capacitance is 5.15 $\mu F$, and the inductance is 0.500 H. Find the average power delivered to the circuit.

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laura m.