Answer:
The answer is 393/1000
Step-by-step explanation:
Answer:
130
Step-by-step explanation:
ABC = 180 - 120 = 60
ACB = 180 - 70 - 60 = 50
ACD = 180 - 50 = 130
I hope I've helped you.
Answer:
3
Step-by-step explanation:
Parallel lines have same slope.
Triangles are 180 degrees total so 80+40=120, subtract that from 180 and you’ll get B=60
Function y is a function of cosine transformed by some operations, so cos can take values from interval <-1;1>, which means that this function can take values from interval <-7;-1>. The minimum value is -7. The graph will be very helpuf in this task to understand.
