Answer:100 times 7
Step-by-step explanation: because
I will get you started.
Let sin x = u
Then 7sin^2x -14sinx+2=-5 become
7u^2 - 14u = - 5
7u^2 - 14u + 5 = 0
Steps:
1. Solve for u.
2. Back- substitute for u.
3. Take the arcsin on both sides to find the angle(s).
You finish.
Answer:
11x2+6x
Step-by-step explanation:
7 months because after the 100 dollars u add u 25 7 times to get 275