Answer:
6) -
7) +
8) +
9) +
10) +
Step-by-step explanation:
Answer:
167 degrees
Step-by-step explanation:
supplementary angles equal to be 180 degrees, so subtract the given angle from 180 to find the missing angle.
180-13=167
Y= (1/2)^x hope this helps :)
Answer:
5 should be subtracted from each term
Step-by-step explanation:

Cross multiply,
1 * (11 - x) = 2*(8-x)
11 -x = 2*8 - 2*x
11 - x = 16 - 2x
Subtract 11 from both sides,
-x = 16 - 2x - 11
-x = 5 - 2x
Add 2x to both sides
-x +2x = 5 - 2 + 2x
x = 5
Yes, sqrt of 1815, cannot be rationalized