Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
we know that
----> by angle addition postulate
substitute the given values

9514 1404 393
Answer:
(d) b/a
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = a^(b-c)
__
Then the expression simplifies to ...
b^-2/(ab^-3) = b^(-2-(-3))/a = b^1/a = b/a
10x - 20 + 6x + 8 = 180
16x - 12 = 180
16x = 192
x = 12
<em>hope </em><em>this </em><em>helps</em><em>.</em><em>.</em><em>.</em><em>!</em><em>!</em><em>!</em>
Answer:
10
Step-by-step explanation:
Answer:
16 is the awnser or at least I belive