Answer:
![L_x=5.3 inches](https://tex.z-dn.net/?f=L_x%3D5.3%20inches)
Step-by-step explanation:
Average length ![\=x =5.3 inches](https://tex.z-dn.net/?f=%5C%3Dx%20%3D5.3%20inches)
Standard deviation ![\sigma=0.2 inches](https://tex.z-dn.net/?f=%5Csigma%3D0.2%20inches)
Sample size ![n=50](https://tex.z-dn.net/?f=n%3D50)
Generally The point estimate for the mean length of all bolts in inventory is
![L_x= \=x](https://tex.z-dn.net/?f=L_x%3D%20%5C%3Dx)
![L_x=5.3 inches](https://tex.z-dn.net/?f=L_x%3D5.3%20inches)
15.5-3.5=12. this is how many hours he has worked already.
12/1⅓=9. this is because how many hours he has worked per how many hours he worked per day to show how many days he worked
the answer is 9 days.
12hours * 1day/1⅓ hours
^^ignore that if it doesn't make sense, but basically the hours will cancel and you'd be left with days as your only unit to show why you would divide 12 by 1⅓
hope this helped!
Answer:
hmmmmmm
Step-by-step explanation:2
Can I im see the graph pleaseeewww
Combine like terms
-6x² + (-x²) = -6x² - x² = -7x²
-7x² + 15x + 4 is your answer
hope this helps