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Not yet answered Marked Given the least squares regression

Last updated: 1/23/2024

Not yet answered Marked Given the least squares regression

Not yet answered Marked Given the least squares regression line y 2 48 1 63 x and the coefficient of determination of 0 81 the coefficient of correlation is O a 0 85 O b 0 9 O c insufficien information to compute O d 0 9 Oe 0 85

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dy The response of the system 5y t 4x t with x t 8 t is dt O 1 None of the answers O2 03 O 4 05 y t 5e 5tu t 48 t y t 5e 5tu t y t 4e 5tu t y t 20e 5tu t 48 t 4
Math - Others
Inverse Trigonometric functions
dy The response of the system 5y t 4x t with x t 8 t is dt O 1 None of the answers O2 03 O 4 05 y t 5e 5tu t 48 t y t 5e 5tu t y t 4e 5tu t y t 20e 5tu t 48 t 4
A linear time invariant system with the four imaginary poles j2 j2 j4 and 14 is BIBO stable O True O False
Math - Others
Inverse Trigonometric functions
A linear time invariant system with the four imaginary poles j2 j2 j4 and 14 is BIBO stable O True O False
The sampler is a linear device used to transform a continuous signal to a discrete one O True O False
Math - Others
Inverse Trigonometric functions
The sampler is a linear device used to transform a continuous signal to a discrete one O True O False
5 For the project work points x y shown in the figure the bearing of point R is due West The coordinate for point R is most nearly A 6392 82 6380 78 B 6380 78 6392 82 C 6392 82 11187 21 D 11187 21 6380 78 R N50 45 42 North 9250 43 7380 78 8790 01 5400 55
Math - Others
Inverse Trigonometric functions
5 For the project work points x y shown in the figure the bearing of point R is due West The coordinate for point R is most nearly A 6392 82 6380 78 B 6380 78 6392 82 C 6392 82 11187 21 D 11187 21 6380 78 R N50 45 42 North 9250 43 7380 78 8790 01 5400 55
0 38 Af 20 p 0 002378 slugs ft is driven on a surface with a coefficient of adhesion of 0 5 and the coefficient of rolling friction is approximated as 0 015 for all speeds Assuming minimum theoretical stopping distances if the vehicle comes to a stop 260 ft after brake application on a level surface and has a braking efficiency of 0 82 what was its initial speed a if aerodynamic resistance is considered and b if aerodynamic resistance is ignored 500 16
Math - Others
Inverse Trigonometric functions
0 38 Af 20 p 0 002378 slugs ft is driven on a surface with a coefficient of adhesion of 0 5 and the coefficient of rolling friction is approximated as 0 015 for all speeds Assuming minimum theoretical stopping distances if the vehicle comes to a stop 260 ft after brake application on a level surface and has a braking efficiency of 0 82 what was its initial speed a if aerodynamic resistance is considered and b if aerodynamic resistance is ignored 500 16
Draw vectors representing the course of a ship that travels 9 75 miles on a course with bearing 30 10 75 miles on a course with bearing 330 11 25 miles on a course with bearing 135 12 25 miles on a course with bearing 225 13 Heading A boat is crossing a river that runs due north The heading of the boat the direction the boat is pointed is due east and it is moving through the water at 12 0 miles per hour If the current of the river is a constant 3 miles per hour find the true course of the boat to three significant digits 14 Heading A boat is crossing a river that runs due east The heading of the boat is due south and its speed is 11 0 feet per second If the current of the river is 2 feet per second find the true course of the boat to three significant digits 15 Heading An airplane is headed N 30 0 E and is traveling at 200 miles per hour through the air The air currents are moving at a constant 30 miles per hour in the direction N 60 0 W Find the true course of the plane That is find its speed with respect to the ground in miles per hour and its direction with respect to the ground Use three significant digits
Math - Others
Inverse Trigonometric functions
Draw vectors representing the course of a ship that travels 9 75 miles on a course with bearing 30 10 75 miles on a course with bearing 330 11 25 miles on a course with bearing 135 12 25 miles on a course with bearing 225 13 Heading A boat is crossing a river that runs due north The heading of the boat the direction the boat is pointed is due east and it is moving through the water at 12 0 miles per hour If the current of the river is a constant 3 miles per hour find the true course of the boat to three significant digits 14 Heading A boat is crossing a river that runs due east The heading of the boat is due south and its speed is 11 0 feet per second If the current of the river is 2 feet per second find the true course of the boat to three significant digits 15 Heading An airplane is headed N 30 0 E and is traveling at 200 miles per hour through the air The air currents are moving at a constant 30 miles per hour in the direction N 60 0 W Find the true course of the plane That is find its speed with respect to the ground in miles per hour and its direction with respect to the ground Use three significant digits
Test 1 You MUST UPLOAD YOUR WORK FOR PROBLEMS 1 to 6 TO Question 6 of 20 10 points Question Attempt 1 of 1 The function given by y x shows the average monthly temperature F for Riga The value of x is the month number and x 1 represents January Average Monthly Temperature for Riga Part 1 of 2 Temperature F 3 30 5 52 9 54 of change in temper Month x 1 represents January 11 35 x 1 1 a Find the average rate of change in temperature between months 3 and 5 March and May months 3 and 5 Mare Time Remaining 1 31 F month
Math - Others
Inverse Trigonometric functions
Test 1 You MUST UPLOAD YOUR WORK FOR PROBLEMS 1 to 6 TO Question 6 of 20 10 points Question Attempt 1 of 1 The function given by y x shows the average monthly temperature F for Riga The value of x is the month number and x 1 represents January Average Monthly Temperature for Riga Part 1 of 2 Temperature F 3 30 5 52 9 54 of change in temper Month x 1 represents January 11 35 x 1 1 a Find the average rate of change in temperature between months 3 and 5 March and May months 3 and 5 Mare Time Remaining 1 31 F month
Reaction time is the amount of time it takes to respond to a stimulus and for automobile drivers it is an important factor in staying safe while on the road by avoiding rear end collisions Reaction times vary from driver to driver and tend to be longer than one might think A recent study determined that the time for an in traffic driver to react to a brake signal from standard brake lights can be modeled with a normal distribution having mean value 1 24 seconds and standard deviation of 0 45 seconds If we let X denote reaction time for automobile drivers use the appropriate Normal Distribution to determine each of the following 1 What is the probability that a driver has a reaction time less than 0 6 seconds 2 Approximately what proportion of drivers have a reaction time more than 2 5 seconds 3 Within what limits centered about the mean would you expect driver reaction times to lie with 95 probability What are the z scores for these limits 4 What is the reaction time for which only 1 of drivers have a shorter reaction time What is its z score 5 What is the reaction time for which only about 5 of drivers have a longer reaction time What is its z score 4 X 6 Approximately what proportion of drivers have a reaction time within three standard deviations of the mean After you have clicked the tab for your selected topic and read the problem answer the questions below a To model the random variable X defined by the selected scenario use the Normal Distribution with mean 1 24 and standard deviation 0 45 USE SALT b Determine each of the following values rounded to four decimal places 1 2 3 The smaller value is The larger value is 5 X Z score with a corresponding z score of with a corresponding z score of
Math - Others
Inverse Trigonometric functions
Reaction time is the amount of time it takes to respond to a stimulus and for automobile drivers it is an important factor in staying safe while on the road by avoiding rear end collisions Reaction times vary from driver to driver and tend to be longer than one might think A recent study determined that the time for an in traffic driver to react to a brake signal from standard brake lights can be modeled with a normal distribution having mean value 1 24 seconds and standard deviation of 0 45 seconds If we let X denote reaction time for automobile drivers use the appropriate Normal Distribution to determine each of the following 1 What is the probability that a driver has a reaction time less than 0 6 seconds 2 Approximately what proportion of drivers have a reaction time more than 2 5 seconds 3 Within what limits centered about the mean would you expect driver reaction times to lie with 95 probability What are the z scores for these limits 4 What is the reaction time for which only 1 of drivers have a shorter reaction time What is its z score 5 What is the reaction time for which only about 5 of drivers have a longer reaction time What is its z score 4 X 6 Approximately what proportion of drivers have a reaction time within three standard deviations of the mean After you have clicked the tab for your selected topic and read the problem answer the questions below a To model the random variable X defined by the selected scenario use the Normal Distribution with mean 1 24 and standard deviation 0 45 USE SALT b Determine each of the following values rounded to four decimal places 1 2 3 The smaller value is The larger value is 5 X Z score with a corresponding z score of with a corresponding z score of
Suppose that a linear system has fewer equations than variables What can you determine about the solution set of the system
Math - Others
Inverse Trigonometric functions
Suppose that a linear system has fewer equations than variables What can you determine about the solution set of the system
where R is the Sem how that Ifrsino drido 24 R 3 Y 29 Cose above The Intial line 020 circle
Math - Others
Inverse Trigonometric functions
where R is the Sem how that Ifrsino drido 24 R 3 Y 29 Cose above The Intial line 020 circle