So... notice the picture below, that's P(x)
so

so.. when the quantity is

, is when the profit

is the highest
after that, as you can see from the graph, it goes back down
If 1 pound cost $1.74 then .5 (1/2) pound should cost $0.87
Work:
1.74 x 0.5 = 0.87
1.74 - 0.87 = 0.87
Hope this helps!
Answer:
It will take the penguin 26.95 sec to walk 45 feet.
Step-by-step explanation:
Step-by-step explanation: Given. Distance = d = 10 feet. Time = t = 6 sec. First of all we have to calculate speed . Let s be the speed, then. Now, How far does the penguin walk in 45 seconds? Here we know the speed and the time . So, s=1.67 ft per sec. t = 45 sec
The formula for finding the area of a cone is pi times the radius squared times the height/3. Since we already have the base area, all we need to do is find the height over 3. The height is 6, so 6/3=2. Then 4 pi times 2=8 pi.
The answer is 8pi.
Answer:
B.
Step-by-step explanation:
All of it needs to add up to 180
So you have
2x + 4x+10 + 6x-10 = 180
Combine like terms
12x=180