Quadrant IV
at quadrant IV, sinA is negative value while cosA is positive value
Answer: ]1, 2[
Step-by-step explanation:
![A \cap B=[0; 2[\\\\(A \cap B)-C=]1, 2[](https://tex.z-dn.net/?f=A%20%5Ccap%20B%3D%5B0%3B%202%5B%5C%5C%5C%5C%28A%20%5Ccap%20B%29-C%3D%5D1%2C%202%5B)
Answer:
1. b+15=27
2. 4*X=36
3. y-9=12
4. k/7=21
Step-by-step explanation:
sum means addition and product means to multiply and difference means subtraction and divided means to divide :)
(n+1)x 2=10
2n+2=10
2n=8
n=4
Answer:
8:25
Step-by-step explanation:
Theres 8 biography books and 25 books in total. 8:25
:D