-3 + (-11) = -14 is the answer
:)
Answer:
Perimeter of the rectangle is 16x+18 units.
Step-by-step explanation:
The area of rectangle is
First we have to find the factor form of above expression.
Splitting the middle term, we get
Area of a rectangle is the product of its dimensions. It means dimensions of the rectangle are (x+8) and (7x+1).
Perimeter of a rectangle is
![Perimeter=2[(x+8)+(7x+1)]](https://tex.z-dn.net/?f=Perimeter%3D2%5B%28x%2B8%29%2B%287x%2B1%29%5D)
![Perimeter=2[8x+9]](https://tex.z-dn.net/?f=Perimeter%3D2%5B8x%2B9%5D)
Therefore, the perimeter of the rectangle is 16x+18 units.
Answer:
4$ was deducted
Step-by-step explanation:
Answer:
$24,890.46, $25,109.59
Step-by-step explanation:
Given:
n = 48, the sample size
m = $25,000, th sample mean
σ = $3000, the maximum variance
The standard deviation is
s = √σ = √(3000) = 54.772
As a rule of thumb, the range is 4 times the standard deviation. Therefore the range is
R = 4*54.772 = 219.09
Half the range is
R/2 = 219.09/2 = 109.45
The required range is
(25000-109.45, 25000+109.45) = (24890.46, 25109.54)
Answer: $24,890.46, $25,109.54
The answer is 25!
3 times 7 = 21 + 4 = 25
