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points LarMPMT1 12 3 024 0/100 Submissions Used A sphereing ball contains a sphere within a...
11. [-11 Points DETAILS LARPCALCS 6.1.04. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER Afspel at...
11. [-11 Points DETAILS LARPCALCS 6.1.04. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER Afspel at a right angle to the horizontal is located on a slope that makes an angle of 10 with the hotel. The shadow is 15 meters long and painte directly up the supe. The angle of elevation from the tip of the shadow to the sun is 18 (a) rangle to represent to show the ones on the range and able to act the height...
3. O -1 points OSColAlg1 7.1.046. 0/100 Submissions Used use the intersect function on a graphing...
3. O -1 points OSColAlg1 7.1.046. 0/100 Submissions Used use the intersect function on a graphing device to solve the system. Round an answers to the nearest hundredth. 0.1x +0.2y -0.6 -0.3x + 0.5y 4 Additional Materials eBook 1 7.1.062. 0/100 Submissions Used Use a system of linear equations with two variables and two equations to solve. A number is 11 more than another number. Twice the sum of the two numbers is 10. Find the two numbers. (Enter your...
6. O-2 points OSCoPhys2016 19.5.WA.045 0/20 Submissions Used A large capacitance of 1.93 mF is needed...
6. O-2 points OSCoPhys2016 19.5.WA.045 0/20 Submissions Used A large capacitance of 1.93 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.27 pm of Tefilon, which has a dielectric constant of 2.1. (b) What is the maximum voltage that can be applied if the dielectric strength for Tefion is 60 x 10 v/m (e) Find the maximum charge that can be stored (d)...
26. -/0.1 points 0/4 Submissions Used My Note A buffer solution contains 0.71 mol of hydrogen...
26. -/0.1 points 0/4 Submissions Used My Note A buffer solution contains 0.71 mol of hydrogen peroxide (HOOH) and 0.41 mol of sodium hydrogen peroxide (NaOH) in 7.60 L. The Ka of hydrogen peroxide (HOOH) is ka = 2.4e-12. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.36 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer...
3 -45 points SAigTrig4 1.4.085 0/3 Submissions Used Notes Ask A ball is thrown straight upward...
3 -45 points SAigTrig4 1.4.085 0/3 Submissions Used Notes Ask A ball is thrown straight upward at an initial speed of vo 40 t/s. (Use the formula h--16+vot. If not possible, enter IMPOSSIBLE.) (a) When does the ball initially reach a height of 24 ft? (b) When does it reach a height of 48 t? (e) What is the greatest height reached by the ball? ft (d) When does the ball reach the highest point of its path? (e) When...
0.37/1.11 points | Previous Answers TanFin 1 0 8.2.040. 1/6 Submissions Used My Notes 2 The...
0.37/1.11 points | Previous Answers TanFin 1 0 8.2.040. 1/6 Submissions Used My Notes 2 The frequency distribution of the hourly wage rates (in dollars) among blue-collar workers in a certain factory is given in the following table. Find the mean (or average) wage rate, the mode, and the median wage rate of these workers. (If necessary, round your answers to two decimal places.) $ 14.23 mean 14.30 mode 14.30 median Wage Rate 14.00 14.10 14.20 14.30 14.40 14.50 90...
26. + -/0.1 points 0/4 Submissions Used A buffer solution contains 0.45 mol of benzoic acid...
26. + -/0.1 points 0/4 Submissions Used A buffer solution contains 0.45 mol of benzoic acid (HC7H502) and 0.33 mol of sodium benzoate (NaCzH502) in 3.70 L. The Ka of benzoic acid (HC7H502) is Ka = 6.30-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.31 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the...
1 -/1 points WaneFMAC7 7.4.029. 0/2 Submissions Used A bag contains three red marbles, two green...
1 -/1 points WaneFMAC7 7.4.029. 0/2 Submissions Used A bag contains three red marbles, two green ones, one lavender one, three yellows, and two orange marbles. HINT (See Example 7.) How many possible sets of four marbles are there? E sets .. -/1 poilits WaneFMAC7 7.4.033.0/2 Submissions Used A bag contains five red marbles, two green ones, one lavender one, one yellow, and three orange marbles. HINT (See Example 7.] How many sets of four marbles include none of the...
26. -10.1 points 0/4 Submissions Used A buffer solution contains 0.10 mol of hydrazoic acid (HN3)...
26. -10.1 points 0/4 Submissions Used A buffer solution contains 0.10 mol of hydrazoic acid (HN3) and 0.43 mol of sodium hydrazoate (NaN3) in 1.70 L. The Ka of hydrazoic acid (HN3) is ka = 1.92-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.05 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition...
|-/1.17 points V MENDSTAT15 6.R.503.XP. 0/100 Submissions Used A normal random variable x has mean u...
|-/1.17 points V MENDSTAT15 6.R.503.XP. 0/100 Submissions Used A normal random variable x has mean u = 7 and standard deviation o = 5. Find the probabilities associated with the following intervals. (Round your answers to four decimal places.) (a) 1.3 <x< 9 (b) x > 13.1 (c) xso You may need to use the appropriate appendix table or technology to answer this question. Need Help? Read It Talk to a Tutor Submit Answer View Previous Question view Previous Question...
11. [-11 Points DETAILS LARPCALCS 6.1.04. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER Afspel at a right angle to the horizontal is located on a slope that makes an angle of 10 with the hotel. The shadow is 15 meters long and painte directly up the supe. The angle of elevation from the tip of the shadow to the sun is 18 (a) rangle to represent to show the ones on the range and able to act the height...
3. O -1 points OSColAlg1 7.1.046. 0/100 Submissions Used use the intersect function on a graphing device to solve the system. Round an answers to the nearest hundredth. 0.1x +0.2y -0.6 -0.3x + 0.5y 4 Additional Materials eBook 1 7.1.062. 0/100 Submissions Used Use a system of linear equations with two variables and two equations to solve. A number is 11 more than another number. Twice the sum of the two numbers is 10. Find the two numbers. (Enter your...
6. O-2 points OSCoPhys2016 19.5.WA.045 0/20 Submissions Used A large capacitance of 1.93 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.27 pm of Tefilon, which has a dielectric constant of 2.1. (b) What is the maximum voltage that can be applied if the dielectric strength for Tefion is 60 x 10 v/m (e) Find the maximum charge that can be stored (d)...
26. -/0.1 points 0/4 Submissions Used My Note A buffer solution contains 0.71 mol of hydrogen peroxide (HOOH) and 0.41 mol of sodium hydrogen peroxide (NaOH) in 7.60 L. The Ka of hydrogen peroxide (HOOH) is ka = 2.4e-12. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.36 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer...
3 -45 points SAigTrig4 1.4.085 0/3 Submissions Used Notes Ask A ball is thrown straight upward at an initial speed of vo 40 t/s. (Use the formula h--16+vot. If not possible, enter IMPOSSIBLE.) (a) When does the ball initially reach a height of 24 ft? (b) When does it reach a height of 48 t? (e) What is the greatest height reached by the ball? ft (d) When does the ball reach the highest point of its path? (e) When...
0.37/1.11 points | Previous Answers TanFin 1 0 8.2.040. 1/6 Submissions Used My Notes 2 The frequency distribution of the hourly wage rates (in dollars) among blue-collar workers in a certain factory is given in the following table. Find the mean (or average) wage rate, the mode, and the median wage rate of these workers. (If necessary, round your answers to two decimal places.) $ 14.23 mean 14.30 mode 14.30 median Wage Rate 14.00 14.10 14.20 14.30 14.40 14.50 90...
26. + -/0.1 points 0/4 Submissions Used A buffer solution contains 0.45 mol of benzoic acid (HC7H502) and 0.33 mol of sodium benzoate (NaCzH502) in 3.70 L. The Ka of benzoic acid (HC7H502) is Ka = 6.30-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.31 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the...
1 -/1 points WaneFMAC7 7.4.029. 0/2 Submissions Used A bag contains three red marbles, two green ones, one lavender one, three yellows, and two orange marbles. HINT (See Example 7.) How many possible sets of four marbles are there? E sets .. -/1 poilits WaneFMAC7 7.4.033.0/2 Submissions Used A bag contains five red marbles, two green ones, one lavender one, one yellow, and three orange marbles. HINT (See Example 7.] How many sets of four marbles include none of the...
26. -10.1 points 0/4 Submissions Used A buffer solution contains 0.10 mol of hydrazoic acid (HN3) and 0.43 mol of sodium hydrazoate (NaN3) in 1.70 L. The Ka of hydrazoic acid (HN3) is ka = 1.92-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.05 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition...
|-/1.17 points V MENDSTAT15 6.R.503.XP. 0/100 Submissions Used A normal random variable x has mean u = 7 and standard deviation o = 5. Find the probabilities associated with the following intervals. (Round your answers to four decimal places.) (a) 1.3 <x< 9 (b) x > 13.1 (c) xso You may need to use the appropriate appendix table or technology to answer this question. Need Help? Read It Talk to a Tutor Submit Answer View Previous Question view Previous Question...
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