
via the angle sum identity for cosine.
Answer:
52min
Step-by-step explanation:
5 people..............5 walls............52 min
1 people...............5 walls...........52 x 5=260 min
1 people................20 walls.........260 x 4 =1040 min
20 people................20 walls........1040:20=52 min
Answer:
6
Step-by-step explanation:
60 ÷ 100 × 90 = 54 students passed
60 - 54 = 6 didn't not pass
hope this helps!
Answer:
https://www.wyzant.com/resources/answers/64459/if_f_x_3x2_4x_and_g_x_3x_2_then_which_of_the_following_is_equal_to_f_x_183_g_x#answer-79706
Step-by-step explanation:the link tells you heheh