Numerade

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Find the LCM of this set of numbers. 15, 75, and 45 Points: 0 of 1 The LCM is

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Question Identify the null and alternative hypotheses in the following scenario. To determine if computer 1 starts up slower than computer 2, the mean startup time of the two competing computers is compared (the longer the startup time, the slower the computer). Twenty-two startup times are randomly sampled from each computer. Both populations have normal distributions with known standard deviations. Select the correct answer below: $H_0: \mu_1 = -\mu_2; H_a: \mu_1 < -\mu_2$ $H_0: \mu_1 = \mu_2; H_a: \mu_1 \neq \mu_2$ $H_0: \mu_1 = \mu_2; H_a: \mu_1 > -\mu_2$ $H_0: \mu_1 = \mu_2; H_a: \mu_1 > \mu_2$ $H_0: \mu_1 = \mu_2; H_a: \mu_1 < \mu_2$ FEEDBACK MORE INSTRUCTION SUBMIT

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Part B - Finding the mass of the pulley As shown, an object with mass $m = 4.7 kg$ is hung from a pulley and spring system. When the object is hung, the tension in the cable is $35.2 N$ and the pulley is $h = 147.2 cm$ below the ceiling. Because the tensile force is greater than the object's weight, the pulley cannot be massless as assumed. Find the mass of the pulley. (Figure 2) Express your answer to three significant figures and include the appropriate units. For this problem, use $g = 9.81 m/s^2$. View Available Hint(s) mass of pulley = Value Units Incorrect; Try Again; One attempt remaining Part C Complete previous part(s)

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In November 2020, Treasury 4 3/8s4 3/8s of 2040 offered a yield to maturity of 2.78%. Recognizing that coupons are paid semiannually, calculate the bond's price. Assume the face value is $1,000. Note: Do not round intermediate calculations. Round your answer to 2 decimal places.

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Evaluate $\int \left( \frac{1}{x^2 + 25} + \sec^2(2x) + \cosh(\frac{x}{3}) \right) dx$

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Question 2 The U.S. dollar currently serves as the "unit of account" of major global products. True False 2 pts

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Question 3 2 pts During an eccentric muscle action, the linear distance of the Z line will be reduced. O True O False

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Write an equation, in slope-intercept form if possible, of the line through the pair of points. (2,-1) and (0,-8)

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the pleural cavity contains a thin layer of _ which functions to _

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Question 10 0/10 pts 3 19 Details Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack is summarized in the histogram below. Frequency 14 12 10 8 6 4 2 220 240 260 280 300 320 340 360 amount of sugar (mg) What is the sample size for this data set? n =

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robert n.