Answer:
The number is 42.
Step-by-step explanation:
Let x be the unknown number.
"two less than a number" is x - 2
Quotient means the result of a division.
(x - 2)/5 = 8
Multiply both sides by 5.
x - 2 = 40
Add 2 to both sides.
x = 42
Answer: The number is 42.
Check.
Start with 42. 2 less than 42 is 40. The quotient of 40 and 5 is 40/5 which is 8. The answer is correct.
Answer:
Margin of error = 0.475
Step-by-step explanation:
Given that,
Confidence level, C = 0.95
Sample size, n = 100
Population standard deviation, 
When the confidence level is 0.95, the value of 
The margin of error is given by :

So, the margin of error is 0.475.
Answer:
y=4x+6
Step-by-step explanation:
Answer:
400
Step-by-step explanation:
There are 100 red gumballs which take up 1/4 of the gumballs. If they are 1/4 of the gumballs that means in total there are 400 because 100 x 4 = 400