Answer:

Step-by-step explanation:
First write the problem out as a fraction.

Next see if there is a GCF
4:1,2,4
16:1,2,4,8,16
Finally divide the numerator and denomenator by the GCF

Answer: =-x+7
Step-by-step explanation:
2x+5=77.
-5. -5
2x. = 72
2. 2
x= 36
to check all you do is plug in 36 into x
so you get 2(36)+5 which equals 77.
2x is the permed
5 is for lunch
77 total money they have
Yards and meters because they has a good measurement. A mile and kilometer is way to big. A kilometer is 1000 meters and a mile is 5280 feet to be exact.
Answer:
And replacing we got:


Step-by-step explanation:
Previous concepts
The central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".
Let X the random variable who represents the variable of interest, with the following properties:
We select a sample of n=23 nails.
From the central limit theorem we can approximate that the distribution for the sample mean
is given by:
And replacing we got:

