2 separate 7 ft boards = (2 * 7) = 14 feet
1 ft = 12 inches....so 14 feet = (14 * 12) = 168 inches
168/11 = 15.27 <== she has 15 eleven inch boards.
15 cups, I am pretty sure, i might be under thinking it
Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is 
From the question we are told the confidence level is 97.5% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of
is
Generally we will assume the sample proportion to be 
Generally the sample size is mathematically represented as
=>
=>
Answer:
If (n-2) (n-3) = 12, what is the value of n?
97 answers
Step-by-step explanation:
If I'm not mistaken.. the half-life should be 40,750 years.. so
y = 40,750
I got this by multiplying 25,000 by 1.63 and then if you divide by 2.. you get
20,375.. so one of those should be correct