Computers and Technology, 30.01.2020 21:43, crtlq
Find dy/dx and d2y/dx2. x = t2 + 5, y = t2 + 5t dy dx = correct: your answer is correct. d2y dx2 = correct: your answer is correct. for which values of t is the curve concave upward? (enter your answer using interval notation.) changed: your submitted answer was incorrect. your current answer has not been submitted.
Answers: 2
Computers and Technology, 22.06.2019 15:30, DestinyK8033
Why would a programmer use the logical operator and in an if statement? a: when an action is to be taken that requires both conditions to be falseb: when an action is to be taken that requires both conditions to be truec: when an action is to be taken that requires the first condition to be falsed: when an action is to be taken that requires the second condition to be truei took the test and the answer is b.
Answers: 3
Computers and Technology, 23.06.2019 14:00, savannnab1890
Select the correct answer. andre was recently hired by an organization to check for system vulnerabilities. he is supposed to exploit these vulnerabilities and create a report on the extent of damage to which the system was susceptible. what position does andre hold in this organization? a. information security analyst b. information assurance manager c. penetration tester d. network security engineer e. chief information security officer
Answers: 2
Computers and Technology, 23.06.2019 19:00, amayax77
Write a program that displays the following menu: geometry calculator 1. calculate the area of a circle 2. calculate the area of a rectangle 3. calculate the area of a triangle 4. quit enter your choice (1-4): if the user enters 1, the program should ask for the radius of the circle and then display its area. use the following formula: area = Δβ¬(the square of r) use 3.14159 for Δβ¬ and the radius of the circle for r. if the user enters 2, the program should ask for the length and width of the rectangle and then display the rectangleΓ’β¬β’s area. use the following formula: area = length * width if the user enters 3, the program should ask for the length of the triangleΓ’β¬β’s base and its height, and then display its area. use the following formula: area = base * height * .5 if the user enters 4, the program should end. input validation: display an error message if the user enters a number outside the range of 1 through 4 when selecting an item from the menu. do not accept negative values for the circleΓ’β¬β’s radius, the rectangleΓ’β¬β’s length or width, or the triangleΓ’β¬β’s base or height. note: if the user enters an improper menu choice (1-4), the program prints "the valid choices are 1 through 4. run the program again and select one of those." if the user enters a negative radius, the program prints "the radius can not be less than zero." if the user enters a negative value for height or base, the program prints "only enter positive values for base and height."
Answers: 1
Find dy/dx and d2y/dx2. x = t2 + 5, y = t2 + 5t dy dx = correct: your answer is correct. d2y dx2 =...
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