So 5x=30
then x= 30/5
and x=6
so the answer is last one !
cot x = cos x / sin x
cot x = .85 / .52 = 1.6346
Answer:
A)
Step-by-step explanation:
the solution of a squared equation is
x = (-b ± sqrt(b² - 4ac)) / (2a)
in our case
a = 1
b = 8
c = 22
x = (-8 ± sqrt(64 - 88))/2 = (-8 ± sqrt(-24))/2 =
= (-8 ± sqrt(4×-6))/2 = (-8 ± 2×sqrt(-6))/2 =
= -4 ± sqrt(-6) = -4 ± i×sqrt(6)
There are 2,000 fifties in one hundred thousand
It's likely that the event will occur.
