2/10ths of an hour. You do 12/60 and get 0.2
Answer:
2-1 3r+1 17in by 13in 17.25in
Domain is the value of x
the demonimator cannot be zero
factor the denominator: (x^2-1)(x^2-4)≠0
factor again: (x+1)(x-1)(x+2)(x-2)≠0
x≠1,-1,2,-2
the domain is all real number except 1,-1,2,-2
I should say that 13, 24, 14 are the next three numbers, because as you can see above the first(11) number is the third(12) number minus 1 and the fourth(23) is the second (22) plus 1 if you understand what I`m trying to say
Let's calculate the mean of the 5 lunches in the first week. We calculate the mean by adding all the numbers up and dividing by how many numbers there are. So we have:
So this is the mean of the 5 lunches in the first week. We are told that in the second week he spent $3 more on his 5 lunches, let's calculate the mean of the second week:
This is the mean for the second week. Subtract it from the mean in the first week to find the increase: