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What form of opium use was banned by federal law late in the 19th century? O Opium injecting O Opium drinking O Opium eating O Opium smoking

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(a permutation problem, order matters) An ID code consists of 4 different letters and 3 different digits. How many codes are possible if the letters must be kept together? For example, 34ABCD9 and W AXT 604 are good, but T R67Y Z3 is bad.

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Consider the following function and closed interval. f(x) = (x - 2)(x - 4)(x - 8), [2, 8] If fis differentiable on the open interval (2, 8), find f(x). (If it is not differentiable on the open interval, enter DNE.) f'(x) =

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I recently went to the doctor and they ran some bloodwork. A few days later I was able to see values for different measurements they took along with a range of where we would expect them to be. The fact that there were a range of possible values instead of just two options means that these values are what type of information? Graded Cortical Unipolar Binary

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Consider the subtilisin substrates A and B These substrates are cleaved what could explain the different substrate clevage rates of the mutant enzymes

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Two people are in a car moving at 16.0 m/s. The driver carelessly begins to text as the car moves along the road. A few seconds later the car plows into a guard rail. Assuming the mass of a human head is 5.0kg, a. estimate the force on the passenger's head if he is stopped by a dashboard that compresses an average of 1.00cm (assume constant acceleration). N b. What is the interaction time of the above force? ms c. estimate the force on the passenger's head if he is stopped by an elastic dashboard that compresses an average of 1.00cm. N d. Calculate the force on the person if he is stopped by an airbag that compresses an average of 15.00cm (assume constant acceleration). N e. What is the interaction time of the above force? ms f. Calculate the force on the person if he is stopped by an elastic airbag that compresses an average of 15.00cm. N

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Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists x + y + z = 7 x - y + 2z = 7 2x + 3z = 14

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5) Calculate the total charge for the following charge distributions: a) A spherical charge cloud of radius $r$ with a uniform charge density of $\rho = -\rho_0(\frac{c}{m^3})$ where $\rho_0$ is constant. b) A spherical charge cloud of radius $r$ with a charge density of $\rho = -\rho_0 r (\frac{c}{m^3})$ where $\rho_0$ is constant. c) A cylindrical charge cloud of radius $r$ and height $l$ with a charge density of $\rho = -\rho_0 z (\frac{c}{m^3})$ where $\rho_0$ is constant and $z$ is height from one of the ends.

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3) Write the code for the dequeue method of a Queue class implemented with an array. Java Include any supporting declarations from the Queue class. After many enqueue, dequeue operations would your queue lose access to the array? How many? Why? Why wouldn't this happen if you were implementing pop for a Stack?

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Use the following information to calculate the company's accounting net income for the year. Credit Sales $800,000 Cash Sales $500,000 Operating Expenses on Credit $200,000 Cash Operating Expenses $700,000 Accounts Receivable (Beg. of Year) $50,000 Accounts Receivable (End of Year) $80,000 Accounts Payable (Beg. of Year) $50,000 Accounts Payable (End of Year) $100,000 Corporate Tax Rate 40% A. $125,000 B. $240,000 C. $120,000 D. $300,000

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sofia b.