Numerade

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Is dynamic pricing (e.g. Uber surge pricing) always unethical? A) No, because if supply is inelastic then prices can’t change quickly B) Yes, because consumers who really need a product are forced to pay more C) No, because surge pricing only affects those who want to pay increased prices D) Yes, because firms are taking advantage of increased demand E) No, because surge pricing can increase supply in markets where supply is elastic

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HOMEWORK #2 The pinned connection below is subjected to a 5 kN force. a) Find the average normal stress in each rod, and the shear stress in pin A. b) Oh no, the pin at A is too weak! The failure shear stress is 5 MPa. Please redesign the pin at A so that it has a factor of safety of 2 - provide the diameter of the new pin to the nearest 5 mm. 5 kN 40 mm 30 mm A 25 mm 5 kN

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Question 8 Answer saved Marked out of 1 Flag question The enzymes of glycolysis are examples of Answer: Constitutive genes Answer saved Marked out of 1 Flag questio

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Solve the following system of equations using substitution: -7x - 2y = -6 -5x + 4y = 2 Enter the value of y. Round to three decimal places if necessary.

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14. Active transport of K<sup>+</sup> in Malpighian tubules ensures that: A. water follows K<sup>+</sup> to make urine B. osmotic balance is maintained between waste matter and bodily fluids C. both a and b D. neither a nor b

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Element X has four valence electrons, is a semiconductor, forms covalent bonds, and is capable of expanding its octet. Element X is most likely As C Si Ti

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Identify the reagents needed to complete the following reaction. 1) YSH 2) Br 1) \~Br 2) NaOH 1) \~Br 2) NaOH 1) NaOH 2) \~Br 1) conc. $H_2SO_4$ 2) \~Br 1) NaOH 2) \~Br Question 9 S

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Example 12-6 Sizing of Chlorination Facilities: Determine the capacity of a chlorinator for a treatment plant with an average wastewater flow of 1000 cu.m./d (0.26 MGD). The peak daily factor for the treatment plant is 3.0, and the maximum required chlorine dosage (set by state regulations) is to be 20 mg/l.

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The 7th grade needs $96.00 to buy new playground equipment. The principal donated $10.00 towards their goal. They plan to sell cookies for $0.20 each to raise the additional amount needed. Write an inequality statement that will represent the number of cookies they need to sell?

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A'B' is the image of a candle BA produced by a box camera. Given the measurement of the figure, find the height of the candle. The height of the candle, BA, is cm.

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james s.