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igor_vitrenko [27]
2 years ago
14

What is the surface area of the cylinder with height 5 cm and radius 7 cm? Round your answer to the nearest thousandth.

Mathematics
1 answer:
3241004551 [841]2 years ago
7 0

Answer: 527.79

Step-by-step explanation:

since the formula is 2pirhx2pir^2 you would put into the calculator, 2pi7(5)x2pi7^2

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What is the best approximation of the surface area of this right cone?
inn [45]
\bf \textit{total surface area of a cone}\\\\
s=\pi r\sqrt{r^2+h^2}+\pi r^2\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
r=12\\
h=9
\end{cases}
\\\\\\
s=\pi (12)\sqrt{12^2+9^2}+\pi (12^2)\implies s=12\pi \sqrt{225}+144\pi 
\\\\\\
s=12\pi (15)+144\pi \implies s=180\pi +144\pi \implies s=324\pi
8 0
2 years ago
I need help on these what is 5=g-8
Levart [38]
The answer is g=13 I hope this helped
7 0
3 years ago
Show or explain how to write 8,523 in expanded form using 15 hundreds
leonid [27]
8000+500+20+3
numer of 0's at the end is in accordance to the number of numbers behind the number you are writing 
3 0
3 years ago
Read 2 more answers
I'm so confused. Please help I tried the first time got 50 some thing then 33 then 20.25. How do I do this?
vazorg [7]

Answer:

Basically, you have to think: more bricks : more time

more workers : less time

2,400 bricks 6 workers takes 18 hours

You now have to solve for 4,500 blocks and 10 workers

4,500 / 2,400 = 1.875 (times greater)

10 / 6 = 1.666666666 (times less)

So, we get 18 hours, multiply it by 1.875 and divide it by 1.666666666

which equals 20.25 hours

So, it seems you were correct on your third try.


Step-by-step explanation:


5 0
2 years ago
Find the equation of this line
adelina 88 [10]

Answer: y = - 3/1x + 4

Step-by-step explanation:

- 3/1x = -3x

y = - 3/1 + 4 = -3x + 4

6 0
2 years ago
Read 2 more answers
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