Answer:
Step-by-step explanation:
If 70% passed both, then that means 30% passed either one test, or neither test.
Since 80% passed the first test, we know that 20% of the students failed the first test.
This means that the other 10% of the students came from the 80% that already passed the first test.
These make up 10/80 = 12.5% of the people that passed the first test, meaning your answer is 100-12.5=87.5%
Cos (Angle) = Adjacent leg / hypotenuse
Cos(68) = Adjacnet leg / 12
Adjacent leg = cos(68) * 12
Adjacent leg = 4.495 feet. Round the answer as needed.
Answer:
ABC is a 90 degree angle and CBD is a 30 degree.
Step-by-step explanation:
If u look at ABC you can see that its a right angle and CBD is 30 degrees because its the exact same angle as EBF!!!
Answer: ( 0, -2 )
Step-by-step explanation:
y = mx + b
x + 2y = -4
2y = x - 4
_______
2 2
(y = - 2)