Cot x = cos x / sin x = 0.85 / 0.52 = 1.6346
Answer: x = 38/3
Step-by-step explanation:
Answer:
(-4,2)
Step-by-step explanation:
when rotated about 180 degrees, you change both signs
Answer:
89 is the answer
Step-by-step explanation:
88.98
= 89
Answer:
99.7% data lies between 13 to 43
Step-by-step explanation:
Mean:
Standard deviation : 
68% of data lies between
to
95% of the data lies between
to
99.7% data lies between
to
We are supposed to find 99.7 of the data will lie between which values
99.7% data lies between
to
99.7% data lies between 13 to 43
Hence 99.7% data lies between 13 to 43