Answer:
x=19
Step-by-step explanation:
In order to solve for x, we want to add the equations to equal 180.
6x+12+3x-3=180
9x+9=180
9x=171
x=19
Answer:
Step-by-step explanation:
sin²β + cos²β = 1
sin²β = 1 - ( -
)²
sin²β = 1 -
=
sin β > 0 ( Q. ll )
sin β =
This is what I got I hope it helps
Answer:
2 hours
Step-by-step explanation:
I'm pretty sure its 2 hrs. If she did not take any breaks, she would have made it in 2 hrs due to her taking a 2 hr break. If its not 2 hours, its 3. But I am 99% sure its 2 hrs.