Answer:
The value of x is 4.
Step-by-step explanation:
Consider a Rectangle ABCD
AB as Top
CD as Bottom
AB = -1 + 4x
CD = 3x + 3
To Find:
x = ?
Solution:
In a Rectangle ABCD
Opposite sides of Rectangle congruent,......Property of Rectangle
AB = CD
Top = Bottom
On substituting we get

Therefore the value of x is 4.
Answer:
The standard error of the proportion is 0.112.
Step-by-step explanation:
The standard error of a proportion is given by the following formula:

In which p is the probability of a success and n is the length of the sample.
In this problem
A success is a student defining themselves regular dietary supplement users. Our of 3000 students, 1500 do. So
.
We take a sample of 20 of them, so
.
So

Answer:
A 7-pack of frozen waffles costs $4.80.
Step-by-step explanation:
What is the unit price, rounded to the nearest cent?
0.3 inches per hour, if I did the math correctly.
Answer:
2
Step-by-step explanation:
We take the equation

and substitute the values for each individual variable in the problem. It looks like this:

Now we can solve the equation.
When solved, it equals 2.