Step-by-step explanation:
1) -22
2) -172.368
hope it helps
Answer:

Step-by-step explanation:

Answer:
x = 73°
Step-by-step explanation:
a whole circle = 360°
so x + 50° + 91° + 2x = 360°
x+ 2x = 360°- 91° - 50°
3x = 219°
x = 219° ÷ 3
x = 73°
<h2>HOPE THIS HELP YOU!!! ;))))</h2>
Answer:
2.6875 or 2.6
Step-by-step explanation:
2.15÷.8=2.6875
Answer:
Step-by-step explanation:
Given
Probability that an inspector doe not identify low-quality timber=0.20
(a)Probability that both inspector do not identify a low quality timber

(b)Let n be the no of inspector
Probability should be less than 1%=0.01
so 
Taking
both sides

x>2.861
thus minimum value of x is 3
(c)From part b it is clear that minimum 3 officer are required to to keep the low quality timber below 1%
on an average 2 officer are not sufficient to identify 4 low quality timber out of 100