3t+10=16
-10. -10
3t=6
/3. /3
T=2
Answer: 20
Step-by-step explanation:
So what I did was divide the pages by the hours and got 20
but, when it starts with 20 pages an hour you have... 20
Answer:
Step-by-step explanation:
Given data:

standard deviation is 
As distribution is normal in shape and values are symmetrical
The standard deviation rule says that 95% of observation lies between the second standard deviation of the mean
so, approximately only 5% of observation lies outside the interval and normal shape is symmetric. hence approximately 0.15% of observation lies above the interval


almost 0.15% of students spent more amount is 529
Answer:
-7 (7x^2-y^2-19)
Step-by-step explanation: