Mathematics, 04.04.2020 08:18 trisngle2565
A professor writes 20 multiple-choice questions, each with the possible answer a, b, c, or d, for a discrete mathematics test. If the number of questions with a, b, c, and d as their answer is 8, 3, 4, and 5, respectively, how many different answer keys are possible, if the questions can be placed in any order
Answers: 2
Mathematics, 21.06.2019 17:00
The table below shows the height of a ball x seconds after being kicked. what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x) = x2 + x + 0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds? feet
Answers: 2
Mathematics, 21.06.2019 19:50
Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?
Answers: 1
Mathematics, 21.06.2019 20:40
In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.
Answers: 3
A professor writes 20 multiple-choice questions, each with the possible answer a, b, c, or d, for a...
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