None of them have perpendicular lines except for the blue one if I am seeing right.
Answer:
The answers are in the explanation.
Step-by-step explanation:
a)
<u> X1 -Absolute frecuency -cumulative absolute frequency -Relative frecuency</u>
44 1 1 0.021
48 1 2 0.021
52 1 3 0.021
54 1 4 0.021
58 1 5 0.021
60 1 6 0.021
62 2 7 0.042
64 1 8 0.021
66 3 12 0.063
68 2 14 0.042
70 2 16 0.042
72 6 22 0.126
74 2 24 0.042
76 2 26 0.042
78 2 28 0.042
80 1 29 0.021
82 3 32 0.063
84 4 36 0.084
86 2 38 0.042
88 2 40 0.042
90 3 43 0.063
92 1 44 0.021
96 1 45 0.021
100 1 46 0.021
102 1 47 0.021
104 2 49 0.042
108 1 50 0.021
Total: 50 50 1
- b) Mean: is the number average = 3806/48 = 78.12
- Median: is the number or average number of half = 76
- Mode: Is the number that appears most frequently = 72
Answer:
m∠A = 33.948° or 0.5925 radians
Step-by-step explanation:
cos(A) = (b^2 + c^2 − a^2) / 2bc
cos(A) = (22^2 + 8^2 − 16^2) / 2*22*8 = 0.8295454545 or 73/88
m∠A = arccos(73/88) = 33.94792653
Answer:
A
Step-by-step explanation:
7(x - 2) < -5
7x - 14 < -5
7x < 9
x < 9/7
Answer:
A
Step-by-step explanation: