Select the angle that correctly completes the law of cosines for this triangle. 122 + 132 - 2(12)(13)cos_= 52
679
13
5
23°
90°
12
Ο Α. 90°
Β. 67°
Ο Ο Ο
C. 23°
D. 180°
CLIDIT

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"