Answer:he will save 100 $
Step-by-step explanation:
Answer:
(x+20) + (x-9)
Step-by-step explanation:
Answer: 4 gallons require 5 5/39 spoons of syrup
Step-by-step explanation:
Answer:
3 727/1000
Step-by-step explanation:
First, the ones place is 3, so we already know that
Also, there is a 0.727.
There are 3 decimal spaces, so that means thousandths
So, its 3 727/1000

where

is the mean. Since


you have variance

and so the standard deiviation is