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rodikova [14]
3 years ago
8

A circle diameter is 6 units. What is the circumference

Mathematics
2 answers:
Westkost [7]3 years ago
6 0

Answer:

C≈18.85

Step-by-step explanation:

The radius =  6/2  =  3cm

Formula for circumference of the circle  =2πr

=2 × 22/7 ×  3

= 132/7

=  18.85cm

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Paraphin [41]3 years ago
3 0

Answer:

The circumference is 18.85.

Step-by-step explanation:

Circumference is 2\pir (2xpixradius)

Radius is diameter divided by 2.

So, 2x\pix3 = 18.85.

Hope that helped.

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A Poker club has 10 members. A president and a vice-president are to be selected. In how many ways can this be done if everyone
Nesterboy [21]

Answer:

90 different ways

Step-by-step explanation:

We have a total of 10 members, and we want to find how many groups of 2 members we can have, where the order of each member in the group of 2 is important, so we have a permutation problem.

To solve this problem, we need to calculate a permutation of 10 choose 2.

The formula for a permutation of n choose p is:

P(n, p) = n! / (n - p)!

So we have:

P(10, 2) = 10! / (10 - 2)!

P(10, 2) = 10! / 8!

P(10, 2) = 10*9 = 90

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Answer:

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Step-by-step explanation:

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we can then fill out the boxes.

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