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rodrigo smith

rodrigo s.

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A university wants to determine the average final exam scores. They are hoping it is at least 75 points. A sample of 50 students has an average score of 73, with a presumed population standard deviation of 8 points. Construct a 95% confidence interval for the true mean score. What exam score creates the bound (cut-off point) for this interval? Round your answer to 2 decimal places

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A 0.600-kgkg glider on an air track is attached to the end of an ideal spring with force constant 450 N/mN/m; it undergoes simple harmonic motion with an amplitude of 4.00×10−2m4.00×10−2m. Part A Calculate the maximum speed of the glider. Express your answer in meters per second. Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type vmaxvmax = nothing m/sm/s

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Pregnant women need to increase calories during the last two trimesters because of which of the following factors? the fetus's weight gain preparation for delivery increased metabolism and decreased energy needs decreased metabolism and increased energy needs increased metabolism and increased energy needs

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wire in horizontal flight at a speed of 20 m/s a base of mass 0.11 kg is stuck by a bat after leaving the bat the baseball has a speed of 29 m/s and then direction opposite to its original direction the magnitude of the giving the ball is

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A weather balloon calibrated at 0.00 °C to have a volume of 22.0 L has what volume at -45.4 °C assuming pressure is held constant?

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1. Please explain the difference between a cross-sectional study and a longitudinal study? What are the benefits and weaknesses of each approach? Please provide an example for each type of design.

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31) The normal balance of a capital account (2pts) can be either a debit or a credit balance. is a debit balance. is a credit balance. is called a footing.

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Multiple Select Question Select all that apply Which of these statements regarding financial leverage are true? It protects the firm from bankruptcy. It adds risk to the operation of the firm. It magnifies the return to the owners (ROE) relative to the return on assets (ROI). It refers to the use of equity to finance the assets of the firm.

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Which of the following is NOT a feature of cardiac muscle tissue? Single nucleus Voluntary Connected by intercalated discs Branched Striated

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Bonita Industries markets CDs of numerous performing artists. At the beginning of March, Bonita had in beginning inventory 2,500 CDs with a unit cost of $6. During March, Bonita made the following purchases of CDs. March 5 2,150 @ $7 March 21 4,800 @ $9 March 13 4,000 @ $8 March 26 2,150 @ $10 During March 12,000 units were sold. Bonita uses a periodic inventory system. whats the average cost?

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