Answer:
Step-by-step explanation:
Use math way, it is very good
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Volume of a cone = 1/3 x height x pi x r x r
Diameter of 8
Radius is 4 then
1/3 x 14 x pi x 16
Volume = 234.57 cubic cm
Answer:
The answer is Region C
Step-by-step explanation:
Region C has total population of Zebra as 16,400 divided by the area occupied in square km which is 625. This gives population density of approximately 26 zebras/km square
If you follow the same procedure for other regions, you will discover that region C has the highest number of Zebras/square km which is 26.
I hope this helped?
For this question, you would want to set up a system of equations.
Let x = Dog Food
Let y = Cat Food
5x+2y=20
x+4y=13
The next step is to eliminate a variable or do substitution. I personally find elimination easier. To eliminate the y, multiply the top equation by -2.
-10x-4y=-40
x+4y=13
The y's will cancel and you are left with:
-9x=-27
Divide by -9 on both sides and you get x=3. Now you want to take 3 and substitute it back into one of the original equations.
3+4y=13
Solve for y
4y=10
y=2.5
Plug both values into the top equation to check the values.
5(3)+2(2.5)=20
15+5=20
20=20
The answers are correct. Dog food is 3 dollars or euros and cat food is 2.50 euros.
Please mark brainiest and good luck :D