Answer:
-2x + 5y = 25
Step-by-step explanation:
Answer:
Step-by-step explanation:
n^2-7n is n(n-7). So n(n-7) = 0. We know n can be zero because 0* anything is 0. It could also be 7 because we are looking to multiply by 0. So to get a zero in the parentheses. you would do 0+7. Which is obviously, 7
Answer:
4
Step-by-step explanation:
20 divided by 5 equals 4
Answer:
16%
Step-by-step explanation:
First we start by solving for the z score
We have the following information
x = 3.25
Standard deviation = sd = 2.25
Mean = 5.50
Z = (x - mean)/sd
z = 3.25 - 5.50/2 25
z = -1.00
If we look this up in the standard normal distribution table,
P(z<-1.00) = 0.1587
Which when approximated gives us
16%
Therefore approximately 16% of lobsters will have to be returned back to the sea.
