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adell [148]
2 years ago
6

một hình trụ có tổng chu vi một đáy và chiều cao là 30cm. Với bán kính nào thì hình trụ có thể tích lớn nhất ?

Mathematics
1 answer:
Hatshy [7]2 years ago
8 0

Answer:

5 10ths

Step-by-step explanation:

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Hey, try this one out guys.
MrRissso [65]

Answer:

879cm

Step-by-step explanation:

Radius is 35cm.

Diameter is 70cm.

Pie/Pi is 3.14 and so on.

Perimeter of circle:70×3.14=219.8

219.8×4=879.2

Round Off:879.2cm

6 0
3 years ago
What number has 7 ones, 3 fewer thousands than ones, 5 fewer hundred thousands than ones, 2 more tens than hundred thousands, 2
Harman [31]

Answer:

Step by step below

Step-by-step explanation:

0 000 007

0 004  007

0 204 007

0 204  047

0 204  647

0 224 647

<u>4 224 647 </u>

5 0
2 years ago
Please help on number 3 part 1 and part 2 pretty please thanks
Goryan [66]
For the first part you need to find 85% of 16,000. its 13,600. you get this by multiplying .85 by 16,000.

for part two, i don't know how to show the work, but 816 is 96% of 850.

sorry about that, but i hope it helps
7 0
3 years ago
Use induction to prove that 2 divides n^2 n whenever n is a positive integer
andrey2020 [161]

Answer:

that's wrong

Step-by-step explanation:

for n = 1

n^(2n)=1²=1

and 2 doesnt devide 1

5 0
3 years ago
a tune up automotive facility marks up its parts by 45%. suppose that the facility charges its customers 2.32 for each spark plu
V125BC [204]

Answer:

$1.6

Step-by-step explanation:

The price of $2.32 already includes the 45% mark up hence taking the original cost to be x, it means the cost of $2.32 is 145% of the original cost

Using the concept of cross multiplication we say that if

1.45 is equivalent to $2.32

1 is equivalent to x

x=\frac {2.32}{1.45}=1.6

Therefore, the company incurs $1.6 for each plug

4 0
3 years ago
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