Answer:
How did life during the Industrial Revolution differ in the North and the South?
In what ways did the Industrial Revolution make life better?
How did it make life more difficult? How did life during the Industrial Revolution differ in the North and the South?
In what ways did the Industrial Revolution make life better?
How did it make life more difficult?
Step-by-step explanation:
Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is E =4.266
The standard deviation is 
From the question we are told the confidence level is 99% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of
is
Generally the sample size is mathematically represented as
=>
=>
Answer:
x = -2
y = 3
Step-by-step explanation:
-5x + 3y = 19
x = 3y - 11
-5x + 3y = 19
-5(3y - 11) + 3y = 19
-15y + 55 + 3y = 19
-15y + 3y + 55 = 19
-12y + 55 = 19
-12y = 19 - 55
-12y = -36
y = -36/-12
<u>y = 3</u>
x = 3y - 11
x = 3(3) - 11
x = 9 - 11
<u>x = -2</u>
10, 20w, 2w, and we are factors of 20w and 40wz
Answer:
it's 9 I just took this assignment