Answer:
11+7x
Step-by-step explanation:
Simplifying
9x + 10 + -2x + 1
Reorder the terms:
10 + 1 + 9x + -2x
Combine like terms: 10 + 1 = 11
11 + 9x + -2x
Combine like terms: 9x + -2x = 7x
11 + 7x
Final result:
11 + 7x
Use the law of sines. The sine of the given angle divided by its opposite side is equal to the sine of that unknown angle at the top left divided by the other given side (it's too small for me to read the diagram you provided). And remember, once you have two of the angles, start with 180, subtract the two angles that you do have and you will get the third angle.
Answer:
their is just a black screen
