Answer:
B. 0.69
Step-by-step explanation:
Law of Cosines: cos A = (b² + c² - a²) / 2bc
cosθ = (7² + 11² - 8²) / 2*7*11 = 106/154 = 0.688 ≈ 0.69
Answer:
13 m
Step-by-step explanation:
<u>The distance x is:</u>
x = √12² + (13 -8)² = √144 + 25 = √169 = 13 m
Answer:
What is the variance? 84000
What is the standard deviation, rounded to the nearest whole number? 290
5 stars if this helped
Step-by-step explanation:
8000 because 3 is less than 5 so you stay the same (which is 8)