A. 15
b. 26
d. 41
e. 82
f. 98
h. 49
11 divided by 9 is 1.2 repeating so Ellie will have to do about 1.3 parts a week
Answer:
Step-by-step explanation:
we know that
The formula of law of cosines is equal to
where
a, b and c are sides. C is the angle opposite side c
In this problem we have
substitute the given values
900/18=50
On average, 50 students rode each bus
Hope this helps!
sin(x) = 2cos(x)
tan(x) = 2
tan⁻¹[tan(x)] = tan⁻¹(2)
x ≈ 63.4
sin(2x) = sin[2(63.4)]
sin(2x) = sin(126.8)
sin(2x) ≈ 0.801