It should be 5/13 because the opposite angle from D is 12, which you would use if you are looking for sine. But, since you are looking for cosine, it is adjacent over hypotenuse. Therefore leaving you with 5/13, since your hypotenuse is always your longest side and the adjacent is the other side from the one opposite of the angle.
Answer:
D. x=3
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
2(-4)-1≤-5
-9≤-5
true
-(-4)-1>0
3>0
true
all the other options are false when u solve it
Answer:
s=4
Step-by-step explanation:
area of square is side*side
so that means s*s=16
so s = 4
