Area divided by pi(2.25 squared/pi), which is 1.611
Answer:
Full drum 80 dollars
one lid missing
earn 10 dollars less
Step-by-step explanation:
We need to find the surface area
SA = 2 pi r^2 + 2 pi rh
The diameter is 2 so the radius = 2/2 =1
SA = 2 * pi * 1^2 + 2 * pi * 1 * 3
= 2 pi + 6pi
= 8pi
Using pi = 3.14
SA = 8 *3.14 = 25.12 ft^2
We get 3.18 per ft^2
25.12 * 3.18 =79.88
To the nearest dollar
80 dollars
If one of the lids is missing
SA = pi r^2 + 2 pi rh
pi + 6pi
7 pi
Using pi = 3.14
SA = 7 *3.14 = 21.98 ft^2
We get 3.18 per ft^2
21.98 * 3.18 =69.90
To the nearest dollar
70
The difference is 10 dollars
Answer:
122
Step-by-step explanation:
Round the two numbers to the nearest whole number and add.
First, you need to multiply 3x5 and Sunday you 2B-3B. Now the problem is 18-15+-1. Since there is no exponents, multiplication, or division in this problem anymore, we are going to add. 15+-1=0. Now we have 18-0. 18-0=18. Therefore the answer is 18
Answer:
40 students
Step-by-step explanation:
16 = 40%
Divide by two to get 20% = 8
Then multiply by 5 to get 40 = 100%
There’s other ways to do this, BUT this is the way that I solve it.
