Answer:
Step-by-step explanation:
hello :
sin x + 2 sin x cosx = 0 equivalent to : sinx(1+2cosx) =0
sinx=0 means : general solution is : x= kπ....k in Z
1+2cosx=0 means : cosx= -1/2 general solution is : x= ±π/6+kπ...k in Z
Answer:
8 units because the diameter is the side to side length of the circle so when you count it you get 8 units.
Answer:
Hal
Step-by-step explanation:
Hal got 54 points because 6 points for green times 9 green is 54 points. Jay got 49 points because 7 points for red times 7 red is 49 point.
Hello!
We have the following expression:

Let's multiply and simplify it, look:

We multiply a*a*a, so we can rewrite it as a³. The same with b*b as b².
So, the answer in the simplified form is:
6a³ + 4b²