The actual area is 454.1 ft.
You can use a ratio to find the actual diameter:
18cm/3cm = x/4ft.
x = 24 ft.
Then find the area using A=pi*r^2
A=pi*144
A=452.4 ft.
Answer:
D. 900 in ^3
Step-by-step explanation:
The volume of rectangular pond would be equal to the priduct of its height, width, and depth.
Volume = Length × Width × Depth
We are given
length = 15 inch
Width = 20 inch
Depth = 3inch
Volume = 15 × 20 × 3 = 900 in ^3
Answer:
It will take 8 hours for the 5 workers to complete the same job.
Step-by-step explanation:
The amount of work done is the same for both crews.
Work = time * workers
Work = 10 * 4
Work = time * 5
Set the two equal
10 * 4 = time * 5
Divide each side of the equation by 5
10*4/5 = time *5/5
8 = time
Answer:
b= -1.6
When you do inverse operations, (-1)-0.6= -1.6
(1) y = 7x , (2) y = 11x , (3) y = 9x , (4) y = 28x
given y varies directly as x then y = kx ( k is the constant of variation )
(1) find k using the given conditions k = 
= 
= 7
equation is y = 7x
(2) k = 
= 11
equation is y = 11x
(3) k = 
= 9
equation is y = 9x
(4) k = 
= 28
equation is y = 28x
