Given the equation :

Let: y = sin x
So,

the given equation will be:

Solve for y, take 3y as a common:

so,

Note: the range of sine function is [ -1, 1]
So, sin x = 2 ( is rejected)
So, the answer will be: x ={ 0 , pi }
84 can’t be a perfect square
Subtract the rental fee, then divide the left over amount by the cost per hour.
38-10 = 28
28 / 7 = 4
The answer is 4 hours.
Answer:
c. 64
Step-by-step explanation:
12h-9h=3h move everything else to other side
3h=20-40+6
3h=-14
divide by 3
h=-14/3