![sin(\frac{7\pi}{2}) = -1\\y = sin(\frac{7\pi}{2})\\y = -1](https://tex.z-dn.net/?f=sin%28%5Cfrac%7B7%5Cpi%7D%7B2%7D%29%20%3D%20-1%5C%5Cy%20%3D%20sin%28%5Cfrac%7B7%5Cpi%7D%7B2%7D%29%5C%5Cy%20%3D%20-1)
I have attached the graph
Well, <T+<S will equal 11x +2
so the equation will be 5x+10 + 58 = 11x +2
5x + 68 = 11x +2
66 = 6x (subtract 2, subtract 5x)
x = 11 (division)
To check,
<T = 5 (11) +10
<T = 65
11(11)+2 = 123
<T+<S = 123
65+58 = 123
One square grid has an area of 400.
Another square grid has an area of 256.
The area of the third grid can be:
(squares in third grid) + 256 = 400
OR
256 + 400 = (squares in third grid)
We get this by applying the Pythagorean theorem.
So, the squares in the third grid can either be 144 or 656. And we only have 144 as an option, so that is your answer.
Your final answer is D. 144.
Answer:
2.1 mph
Step-by-step explanation: