Hey there! :)
The formula for finding volume of a cone : ( π · r² · h ) ÷ 3
Radius = 6
6² = 6 · 6 = 36
Height = 8
π = 3.14
Multiply:
8 × 6 × 3.14 = 150.72
The volume is 150.72 cubic meters
Hope this helps :)
Answer:
y= --3/2x + 4
Step-by-step explanation:
Answer:
The number of children was 170 and adults was 368.
Step-by-step explanation:
To clarify we'll call children by 'c' and adults by 'a'. The amount of people in the pool should be the sum of adults and children, so:
a + c = 538
The receipts for the adimission should total the amount of tickets from children and adults multiplied by the price of each ticket, so:
1.75*c + 2.25*a = 1125.5
We now have two equations and two variables. Using the first equation we can isolate the 'a' variable and use it on the second equation to find an answer. We then have:
a + c = 538
a = 538 - c
Using it on the second equation:
1.75*c + 2.25*(538-c) = 1125.5
1.75*c + 1210.5 - 2.25*c = 1125.5
1.75*c - 2.25*c = 1125.5 - 1210.5
-0.5*c = -85
c = -85/(-0.5) = 170
Using this value on the first equation:
a = 538 - 170 = 368
So -4 is where the line crosses the y axis (aka the y intercept). then to find other points, you can either count of the line by doing the slope (rise over run) in this scenario you would go up 8 and over 1 or you can plug in numbers for x and then can get ordered pairs for other points
