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sarah gonzales

sarah g.

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Simple diffusion is the movement of substances from a ______. Group of answer choices None of the choices here High concentration to a low concentration Low concentration to a high concentration

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While it is natural for us to group things together of judgements we place on various patterns and categories patterns are based on stereotypical and prejudicial True False

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Question 19 2 pts What is the mass of sodium carbonate (molar mass: \( 105.99 \mathrm{~g} / \mathrm{mol} \) ) needed to make 450.0 mL of a 0.597 M solution? none of these 47.7 g 28.5 g 490 g 49.0 g

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"Compulsive use" only happens in substance addiction, and not behavioral addictions

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QUESTION 5 An algorithm's best case is the scenario where the algorithm does the minimum possible number of operations. • True False

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Question 6 The failure time, in hours, of a component is a random variable with a Weibull distribution with parameters a=9.88 and b=2.11. What is the probability that the component will still be working after 8.5 hours? Your answer: 0.430 0.231 0.829 0.790 0.331 0.648 0.483 0.336 0.712 0.266 Clear answer

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Name: QUESTION 2: (15 points) (Show your work and Circle your answer) ECET305 TEST #2 Page 3 of 7 Sketch the output voltage waveform $V_o(t)$ and carefully label the axis if the input voltage waveform $V_i(t)$ shown is applied to the op-amp circuit given below (with R = 8k$\Omega$ and C = 1$\mu$F): $C$ $8k\Omega$ $R$ $V_{in}$ $-\frac{1}{RC} = -\frac{1}{(8k\Omega)(1\mu F)} = -12.5$ $V_o$ $V_{out}$

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6. [-/3 Points] DETAILS LARLINALG8 2.1.032. Let A be a matrix with the following size. A: 2 \times 3 If defined, determine the size of the matrix -3A. (If an answer is undefined, enter UNDEFINED.) \times If not defined, explain why. -3A is defined. -3A is not defined because the number of columns of A does not equal the number of rows of A. -3A is not defined because the number of columns of A equals 3. -3A is not defined because the number of rows of A does not equal 3. -3A is not defined because -3 is not a matrix.

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Q1 A company produces three separate products from a common process costing $100,000. Each of the products can be sold at the split-off point or can be processed further and then sold for a higher price. Shown below are cost and selling price data for a recent period. Product 10: Sales Value at Split-Off: $60,000 Cost to Sales Value at Split-Off: $100,000 Process after Further Processing: $190,000 Product 12: Sales Value at Split-Off: $15,000 Cost to Sales Value at Split-Off: $30,000 Process after Further Processing: $35,000 Product 14: Sales Value at Split-Off: $55,000 Cost to Sales Value at Split-Off: $150,000 Process after Further Processing: $215,000 Instructions: (a) Determine total net income if all products are sold at the split-off point. (b) Determine total net income if all products are sold after further processing. (c) Using incremental analysis, determine which products should be sold at the split-off point and which should be processed further. Q2 Cawley Company makes three models of tasers. Information on the three products is given below: Tingler: Sales: $300,000 Variable expenses: $150,000 Contribution margin: $150,000 Fixed expenses: $120,000 Net income: $30,000 Shocker: Sales: $500,000 Variable expenses: $200,000 Contribution margin: $300,000 Fixed expenses: $230,000 Net income: $70,000 Stunner: Sales: $200,000 Variable expenses: $145,000 Contribution margin: $55,000 Fixed expenses: $95,000 Net income: $(40,000) Fixed expenses consist of $330,000 of common costs allocated to the three products based on relative sales, and additional fixed expenses of $30,000 (Tingler), $50,000 (Shocker), and $35,000 (Stunner). The common costs will be incurred regardless of how many models are produced. The other fixed expenses would be eliminated if a model is phased out. James Watt, an executive with the company, feels the Stunner line should be discontinued to increase the company's net income. Instructions: (a) Compute current net income for Cawley Company. (b) Compute net income by product line and in total for Cawley Company if the company discontinues the Stunner product line. (Hint: Allocate the $300,000 common costs to the two remaining product lines based on their relative sales.) (c) Should Cawley eliminate the Stunner product line? Why or why not?

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II Problems 1. Vacations-R-Us.com, the online cruise seller, wants to increase its total revenue. One strategy is to offer a 10% discount on every cruise it sells. Vacations-R-Us.com knows that its customers can be divided into two distinct groups according to their likely responses to the discount. The accompanying table shows how the two groups respond to the discount. Volume of sales before the 10% discount Volume of sales after the 10% discount Group A (sales per week) 1.55 million 1.65 million Group B (sales per week) 1.50 million 1.70 million a. Using the midpoint method, calculate the price elasticities of demand for group A and B. b. Explain how the discount will affect total revenue from each group.

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