Answer:

Step-by-step explanation:
The formula of a volume of a cone:

<em>r</em><em> - radius</em>
<em>H</em><em> - height</em>
We have the diameter <em>2r = 10in → r = 5in</em>, and the height <em>H = 28in.</em>
Substitute:


Answer:
K=-4/3
Step-by-step explanation:
-1/2=3/2k + 3/2
-4/2=3/2k
-4=3k
-4/3=k
Answer:
8
Step-by-step explanation:
Answer:
idk
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
for this problem, plug in 2 for every x
2^2 + 5(2) -5
4 + 10 -5= 9