Answer:
5
Step-by-step explanation:
cos 60° = y / 10
y = 10 * 1/2 = 5
The triangle inequality tells you the third side will be between the difference and sum of the other two sides.
5 < third side < 21
Answer:
1/2
Step-by-step explanation:
3 * 1/6 = 3/6
Which can simplify to 1/2 if you divide the top and bottom by 2.
Step-by-step explanation:
517÷4685568π√7%+66×74367
It should be (2x-3)x(3x+2)