0.9 and 0.07
hope it helps
Step-by-step explanation:
Mean of the origibal set = 20
No. of terms = 10
Sum = Mean x No. of terms
= 20 x 10 = 200
The sum of additional numbers to make the new set of observstion is 4 + 8 + 12...... + 40 = 220
New Sum = 200 + 220 = 420
The no of terms stay the same
New Mean = New Sum/ N
= 420/10
= 42
Answer: Choice C)40cm
Step-by-step explanation:
We know that cosp=0.6 and PM=24 so,
PM/PN=0.6
24/PN=0.6
by rearranging we get
PN=24/0.6
PN=40
Answer:
3*104=312
15*108=1620
1620/312=5.19230769 OR 5.19 OR 5.1 OR 5