Complementary angles are angles who sum to 90 degrees. So, since one angle is 13 degrees, naturally the other must equal 77. Good luck! c:
Answer:
a = -4/9
Step-by-step explanation:
(9a + 4) = 0
Subtract 4 from each side
9a + 4-4 = 0-4
9a = -4
Divide each side by 9
9a/9 = -4/9
a = -4/9
8 - 3n...when n = 12
so sub in 12 for n
8 - 3(12) =
8 - 36 =
- 28 <==
Answer:
X=8/7
Step-by-step explanation:
7x +2=10
7x=10-2
7x=8. Divide both side by 7
x=8/7