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Harlamova29_29 [7]
3 years ago
13

What is the difference between the permutations rule and the combinations​ rule? Choose the correct answer below. A. The permuta

tions rule takes order into​ account, whereas the combinations rule does not. B. The permutations rule takes replacement into​ account, whereas the combinations rule does not. C. The combinations rule takes replacement into​ account, whereas the permutations rule does not. D. The combinations rule takes order into​ account, whereas the permutations rule does not.
Mathematics
1 answer:
fgiga [73]3 years ago
7 0

Answer:

A. The permutations rule takes order into​ account, whereas the combinations rule does not.

Step-by-step explanation:

Permutation is an orderly form of combination. They both deal with numbers an element can be arranged in different ways.

The main difference is that permutation takes into account the order in which the arrangement takes place while combination doesn’t take that into account.

Combination formula: nCr = n! / r! * (n - r)!

Permutation formula: P(n,r)=n! (n−r)!

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A cylinder has a volume of 198 and base has an area of 22 what is the height o the cylinder
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Answer:

Step-by-step explanation:

The base of the cylinder is in the shape of a circle:

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For Base area=22 square units

22=\pi *r^2

      22=3.14*r^2\\r^2=22/3.14\\r^2=7.01\\r=\sqrt{7.01}

Volume of the cylinder=\pi *r^2*h

For volume '198 cubic units' the height(h) is:

       198=\pi *r^2*h

       198=3.14*(\sqrt{7.01})^2*h

         198=3.14*7.01*h\\\\198=22.01*h\\\\198/22.01=h\\\\h=9 units\\

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Step-by-step explanation:

Any number that times 17 is bigger than -17

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