Answer:
x = 14
Step-by-step explanation:
10x - 33 + 4x + 17 = 180
14x - 16 = 180
14x = 196
x = 14
I believe its 4/5 because when you isolate y, you have to divide 5 and 4 but you Can just leave it in its decimal form.
Answer:
94.5pie
Step-by-step explanation:
The area of a cylinder is r^2pie height
so if the Radius is 3 . . . 3^2 pie * 10.5 so
9*10.5pie
94.5 pie
Hope that helps!!!
-Shadyk
Total number of bulbs tested, N = 445
Number of bulbs that lasted more than 500 hrs, x = 316
Point estimate of bulbs that lasted more than 500 hrs = x/N = 316/445 ≈ 0.71 = 0.71*100 = 71%
