The answer is 769.3 cm²
The volume of the cylinder is : V = π r² h
<span>The ratio between the radius of the base and the height of the cylinder is 2:3:
r/h = 2/3
h = 3/2r
V = 1617 cm
</span>π = 3.14
1617 = πr² * 3/2 r
1617 = πr³ * 3/2
1617 * 2/3 = πr³
1078 = πr³
r³ = 1078/π = 1078/3.14 = 343
r = ∛343 = 7 cm
h = 3/2r = 3/2 * 7 = 10.5 cm
The surface area of the cylinder is:
SA = 2πr² + 2πrh
= 2 * 3.14 * 7² + 2 * 3.14 * 7 * 10.5
= 307.72 + 461.58
= 769.3 cm²
Hello :
<span>(27ax^3 – 9a^2x) ÷ 3ax :
</span> <span>(27ax^3 – 9a^2x) / 3ax
</span> (27ax^3 ) / (3ax) –( 9a^2x) / 3ax = 9x² - 3a
Find the Greatest Common Factor (GCF)
GCF = 5
Factor out the GCF (Write the GCF first, and then in parenthesis, divide each term by the GCF.)
5(5x/5 + 15/5)
Simplify each term in parenthesis
<u>5(x + 3) </u>
Answer:
I think it's C
Step-by-step explanation:
just looked online.
TIP:
If you want to remember this law,just solve a bunch of questions that involve it and then it will come naturally to you.
Answer:
699*39=27261
Step-by-step explanation:
699*39
6 9 9
× 3 9
+ 6 2 9 1
+ 2 0 9 7
= 2 7 2 6 1
