<span>2x + x = 12
=> x =12/3 =4
so, original number is 84.
</span>
Answer:
4
Step-by-step explanation:
7*7-9*5
49-45
4
Answer:
the answer is 5 because 40 divided by 8 is 5
Answer:
8.885
Step-by-step explanation:
Given that :
Sample size, n = 10
The average range, Rbar for all samples = 5
The upper control limit, UCL for the R-chart is :
UCL L= D4Rbar
From the control chart constant table, D4 = 1.777
Hence,
UCL = 1.777 * 5
UCL = 8.885
The UCL for the R-chart is 8.885
