Answer:
make the picture more clear its hard to see.
Step-by-step explanation:
Answer:
77 "
Step-by-step explanation:
'mean' is the average of all of the heights
( 84 + 84 + 77 + 63 + 70 + 70 + x) / 7 = 75
x = 77
Answer:
![-2.813](https://tex.z-dn.net/?f=-2.813)
Step-by-step explanation:
Se simplifica inicialmente la fórmula en términos de las funciones trigonométricas fundamentales (Initially, the formula is simplified in terms of fundamental trigonometric functions):
![(\sec 245^{\circ} + \tan 45^{\circ} )\cdot \cot 37^{\circ} - 2\cos 60^{\circ}](https://tex.z-dn.net/?f=%28%5Csec%20245%5E%7B%5Ccirc%7D%20%2B%20%5Ctan%2045%5E%7B%5Ccirc%7D%20%29%5Ccdot%20%5Ccot%2037%5E%7B%5Ccirc%7D%20-%202%5Ccos%2060%5E%7B%5Ccirc%7D)
![\left(\frac{1}{\cos 245^{\circ}}+\frac{\sin 45^{\circ}}{\cos 45^{\circ}} \right)\cdot \left(\frac{\cos 37^{\circ}}{\sin 37^{\circ}} \right) - 2\cdot \cos 60^{\circ}](https://tex.z-dn.net/?f=%5Cleft%28%5Cfrac%7B1%7D%7B%5Ccos%20245%5E%7B%5Ccirc%7D%7D%2B%5Cfrac%7B%5Csin%2045%5E%7B%5Ccirc%7D%7D%7B%5Ccos%2045%5E%7B%5Ccirc%7D%7D%20%20%5Cright%29%5Ccdot%20%5Cleft%28%5Cfrac%7B%5Ccos%2037%5E%7B%5Ccirc%7D%7D%7B%5Csin%2037%5E%7B%5Ccirc%7D%7D%20%5Cright%29%20-%202%5Ccdot%20%5Ccos%2060%5E%7B%5Ccirc%7D)
![(-2.366 + 1 )\cdot (1.327) - 1](https://tex.z-dn.net/?f=%28-2.366%20%2B%201%20%29%5Ccdot%20%281.327%29%20-%201)
![-2.813](https://tex.z-dn.net/?f=-2.813)