Answer:
x = 8/5 or 1.6
Step-by-step explanation:
The bold marks indicate the steps done.
x - 1 = 6x - 9
- 1 = 6x - x - 9
-1 = 5x - 9
-1 + 9 = 5x
8 = 5x
8/5 = x
Answer:
d. sin 80.
Step-by-step explanation:
Use the identity cos x = sin (90-x).
So cos 10 = sin(90 - 10)
= sin 80.
Answer:
C
Step-by-step explanation:
The square root of 36 is 6. 36 is a perfect square. 6 is a natural number and therefore is rational.
Just borrow from the 7 and take the 1 to the 2 and that will make it as 12 so then you subtract 12 - 4 and the answer will be 1,180
Answer:
r3
Step-by-step explanation:
r
