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.
I think b= -4.75 in this equation
Answer:
£3.6
Step-by-step explanation:
24 = 100% ; x = 15%
Let's make it simple
Answer:
Subtract the post-discount price from the pre-discount price.
Divide this new number by the pre-discount price.
Multiply the resultant number by 100.
Step-by-step explanation: