Answer:
The answer is 2.67
Step-by-step explanation:
AB = 3
BD = 2
AC = 4
BD and DE are parallel, AB/BD= AC/CE
3/2 = 4/CE
CE= 4*2/3
CE=8/3
Lastly, if you put it into decimal form, it is 2.67
{1, 2, 4, 5, 7, 7, 8, 9, 9, 10}
Lower Quartile: Q₁ = ¹/₄(n + 1)
Q₁ = ¹/₄(10 + 1)
Q₁ = ¹/₄(11)
Q₁ = 2³/₄
Median: Q₂ = ¹/₂(n + 1)
Q₂ = ¹/₂(10 + 1)
Q₂ = ¹/₂(11)
Q₂ = 5¹/₂
Upper Quartile: Q₃ = ³/₄(n + 1)
Q₃ = ³/₄(10 + 1)
Q₃ = ³/₄(11)
Q₃ = 8¹/₄
Q₁ = 2³/₄
Q₂ = 5¹/₂
Q₃ = 8¹/₄
Answer 10.4 miles
Explanation:
12.5 divided by 8 = 1.6 miles
12.5-1.6=10.4 miles
Answer:
cos θ = 1/2
Step-by-step explanation:
4 cos θ + 4 sin² θ = 5
Use Pythagorean identity.
4 cos θ + 4 (1 − cos² θ) = 5
4 cos θ + 4 − 4 cos² θ = 5
0 = 4 cos² θ − 4 cos θ + 1
0 = (2 cos θ − 1)²
0 = 2 cos θ − 1
cos θ = 1/2