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Aleonysh [2.5K]
3 years ago
9

When looking at the net of a cylinder, what is the relationship between the height of the rectangle and the cylinder?

Mathematics
1 answer:
Nastasia [14]3 years ago
6 0

Volume of a cylinder = πr²h

where,

r is the radius of the cylinder

h is the height of the cylinder

Area of the rectangle = length X breadth

We can consider that a rectangle if rotated will form a cylinder.

In that case, the breath of the rectangle will become the diameter of the cylinder and the length will become the height of the cylinder.

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In the following​ exercise, does the problem involve permutations or​ combinations? Explain your answer. One hundred people purc
Blizzard [7]

Answer: Permutation is involved , since order of prizes matters.

The number of different ways the prizes can be​ awarded =95060

Step-by-step explanation:

Given : Total number of people purchase lottery tickets =100

The number of prizes = 3

Since each prize can be claimed by only one person.

So order matters here, there for we use permutations .

The number of permutations of n objects taken m at a time is given by :-

^nP_m=\dfrac{n!}{(n-m)!}

Then, the number of different ways the prizes can be​ awarded :-

^{100}P_{3}=\dfrac{100!}{(100-3)!}=\dfrac{100!}{97!}\\\\=100\times98\times97=950600

0 0
3 years ago
Find the number that makes the ratio equivalent to 3:9. 9:?
sesenic [268]

Answer:

27

Step-by-step explanation:

Given the ratio 3 : 9

and 9 : ?

note that 3 × 3 = 9, thus 9 × 3 = 27

3 : 9 = 9 : 27

5 0
3 years ago
A triangular playground has angles with measures in ratio 8: 3: 9 what is the measure of the smallest angle
maria [59]
8x + 3× + 9x = 180

20x = 180
x = 180/20
x = 9

The smallest angle is: 3×9 = 27 degrees

Note: 180 degrees is the sum of angles in a triangle
7 0
2 years ago
Read 2 more answers
the actual distance between the faucet and the pear tree is 11.2 meters. Find the corresponding distance on the drawing (1 centi
Arturiano [62]

Answer:

22.4 cms.

Step-by-step explanation:

If 0.5 meters = 1 centimeter,  1 meter = 1/0.5 = 2 cms on the drawing.

So 11.2 meters = 11.2 *2 = 22.4 cms  (answer).

7 0
2 years ago
Standerd form of 60,000 4,000 300 7
katrin2010 [14]
Answer: 64,307
There you go ;)
5 0
3 years ago
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