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How much insurance would be needed in order to provide for a family for 20 years if the pretax income necessary to cover living expenses is $50,000 and the money can be invested at 6%?

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The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with a mean of 40 and a standard deviation of 7. Find the following probabilities, round to the fourth. a) What is the probability 23 randomly chosen tires have an average lifetime greater than 39 Would it be unusual or usual for this to happen? usual b) What is the probability 23 randomly chosen tires have a lifetime less than 33 Would it be unusual or usual for this to happen? unusual

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Why do we sometimes see optical illusions related to depth cues?

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How many electrons, protons, and neutrons are there in an atom of 40Ca?

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Identify the element of direct gene activation by a steroid hormone indicated by "D."

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Politics and Policy of Elder Health Care Review Chapter Nine of the textbook discussing market forces, otherwise known as competition, cooperation, and integration.

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Given the Universal set U and the following sets: U={u|u∈Z+, u<9} K={k|k∈Z+, k is prime and 2<k<22} L={l|l∈Z+, l is odd, and 2<l<12}, M={m|m∈Z+, m(2m -9)0}, What are the elements of the following sets: a. L∩M b. M-L c. K∪(L∩M) d. (K∪(L))∩M

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WS2- Q4: The mechanism for the acid catalyzed formation of esters is the exact reverse of the mechanism for the acid-catalyzed hydrolysis of an ester. Based on this draw the mechanism for the formation of an ester.

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Graph the function. \begin{equation*} f(x) = \begin{cases} 7 & \text{if } x = 2\\ \frac{x^2 - 4}{x - 2} & \text{if } x \neq 2 \end{cases} \end{equation*} Choose the correct graph below.

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Use the Method of Variation of Parameters to solve the following differential equation: $y'' - 8y' + 16y = (8x + 9)e^{4x}$

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celia g.