When it comes to finding the area of spaces, you must determine its shape. In this case, the shape of the pool is a square. From there, we will use the formula to find the area of a square.
Area = (side)^2
Since the square of the square's side is its total area, then if vice versa, we have to find the square root of the area to find the length. Thus,
Length = √150 = 5√6 = 12.25 ft
Answer:
Variance σ² having standard deviation 2.5 is 6.25.
Step-by-step explanation:
The standard deviation is basically the square root of the variance.
So, if want to find the variance of the data we simply take square of standard deviation to get the variance of data.
standard deviation = σ = 2.5
taking square on both sides
(σ)² = (2.5)²
σ² = 6.25
So, variance σ² having standard deviation 2.5 is 6.25.
Answer:
x = 40
Step-by-step explanation:
Subtract 25 from both sides:
25 - 3x = -95
-3x = -120
Divide each side by -3:
x = 40
So, the answer is x = 40