Answer:
x = -1/3
Step-by-step explanation:
We have,
sin(x + 7) = cos(4x + 8)
We need to find the value of x.
We know that,
sin(90-x) = cosx
So,
sin(90-(x + 7)) = cos(4x + 8)
cos(x+7) = cos(4x + 8)
i.e.
(X+7) = (4x+8)
7-8 = 4x-x
-1 = 3x
x = -1/3
Well one week she'd have 23.50$. So per week you multiply that number by the number of weeks.
I hope this is what you were looking for, the question was a bit confusing.
Answer:
The answer is on the paper. Hope it's correct :)
Answer:
<u>See </u><u>Attachment</u>
Step-by-step explanation: