Which of the following successfully swaps the values of the variables heads and tails?

Given exam_scores = [ [32, 28, 36, 38]; [27, 31, 29, 33]; [37, 39, 40, 40]; [36, 34, 30, 35] ]; Where each row includes the scores for one student on each of 4 exams. Which command will produce a row array of the average exam score across all students?

In the following code, which variable replaces the first %f ? distance = 1000; % ftdistanceInMiles = distance/5280; % milesspeed = 70; % mphtimeInHours = distanceInMiles / speed; % hourstimeInSeconds = timeInHours * 3600; % secondsfprintf([‘The cheetah ran %f feet at a speed of %f mph, ‘ …’covering that distance in only %f seconds’], distance, speed, timeInSeconds’)

Which of the following commands will return a 5× 4 matrix with ones along the main diagonal?

What is the value of thursAppts? % number of appointments in a weeknumAppointments = [23, 31, 20, 30, 29, 32, 19];midWeek = numAppointments(3:end-2)thursAppts = midWeek(:,end)

What is realmax defined as by default?

Choose the code that is equivalent to how the following expression will execute.x > 5 * b | y == max + tax

What statement will transpose the column array pounds = [21; 14; 19]; into a row array?

Complete the if statement to produce the given output. A = [6, 3, 1; 0, 4, 2];if (_____) A(1,:) = 0endA = 0 0 0 0 4 2

What statement will transpose the column array pounds = [21; 14; 19]; into a row array?