Answer:
0.314 gallon is required to cover a circular region with a radius of 40 feet
Step-by-step explanation:
Given
a gallon of paint will cover about 400 square feet in a single coat
To Find:
Number of gallons required to cover a circular region with a radius of 40 feet = ?
Solution:
Step 1: Finding Area of the circular region
The area of the circular region, A = 
where r is the radius
Now substituting r = 40 , we get
A = 

Step 2: Finding the number of gallons of paint required
To cover 400 sq feet = 1 gallon
so to cover 1 square feet =
gallon
Now to cover 125.6 ft we need


=> 0.314 gallon
Answer: 35.3
Explanation: (-3-2-1+0+1+2+....27)/30 = 35.3
Answer:
<em>Probability ≈ 0.1071</em>
Step-by-step explanation:
Consider steps below;



<em>Solution; Probability ≈ 0.1071</em>
Take a ruler and put it on your desk and mesure from the centimeter side!!
√120 ≈ 10.95
and 10.95²≈ 120
therefore each side of this square room is about 10.95 feet.