Answer: The answer is B. The number of striped landyards sold.
Step-by-step explanation:
8 is the angle DHL with H the vertex
Well just plug those two numbers into the equation: 7(3) - 3(2) Which equals 15 so B) 15
Step-by-step explanation:
![w = x^4\sin(y^4z^3)](https://tex.z-dn.net/?f=w%20%3D%20x%5E4%5Csin%28y%5E4z%5E3%29)
The differential
is
![dw = 4x^3\sin(y^4z^3)dx](https://tex.z-dn.net/?f=dw%20%3D%204x%5E3%5Csin%28y%5E4z%5E3%29dx%20)
![\:\:\:\:\:\:\:\:\:\:\:+ x^4\cos(y^4z^3)(4y^3z^3)dy](https://tex.z-dn.net/?f=%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%2B%20x%5E4%5Ccos%28y%5E4z%5E3%29%284y%5E3z%5E3%29dy%20)
![\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:+ x^4\cos(y^4z^3)(3y^4z^2)dz](https://tex.z-dn.net/?f=%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%5C%3A%2B%20x%5E4%5Ccos%28y%5E4z%5E3%29%283y%5E4z%5E2%29dz)