It will automatically be over 1
Answer: 3
Step-by-step explanation:
Let E be the event of that student pierces ear and N be the event of that student pierces nose.
Given: 

For any two event A and B, we have

Similarly , 

Hence, 3 students have piercings both on their ears and their noses.
Answer: R=V
Step-by-step explanation: :p
Answer:
Step-by-step explanation:
14m - (5+8m) = 14m - 5 - 8m
= 14m - 8m - 5
= 6m - 5
Answer:
∠1 = 82°
Step-by-step explanation:
Sum of angles in a triangle = 180°
Now,we have two sides as 49° and 49°.
The third angle is denoted as ∠1.
Thus;
∠1 + 49 + 49 = 180
∠1 = 180 - (49 + 49)
∠1 = 180 - 98
∠1 = 82°