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Cerrena [4.2K]
3 years ago
12

45% of 20 is what number

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
6 0
45\% \ of \ 20=45\% \times 20=\frac{45}{100} \times 20=\frac{9}{20} \times 20=9

45% of 20 is 9.
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There are 10 computers and 5 students. How many ways are there for the students to sit at the computers if no computer has more
mestny [16]

Answer:

30,240 ways

Step-by-step explanation:

This question is bothered on permutation. Permutation has to do with arrangement.

If there are 10 computers and 5 students, the number of ways students will sit at the computers if no computer has more than one student can be expressed as;

10P5 = 10!/(10-5)!

10P5 = 10!/(5)!

10P5 = 10*9*8*7*6*5!/5!

10P5 = 10*9*8*7*6

10P5 = 30,240

Hence the number of ways is 30,240 ways

6 0
3 years ago
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ziro4ka [17]
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I know this because...
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6 0
3 years ago
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Alex
The one under the one you picked but im not 100% sure
3 0
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The answer if I am correct should be C. 6, since if you divide forty-eight by two you get twenty-four. Twenty-four divided by four equals six, and twenty-four divided by three equals eight, eight is the number that would be the remaining amount of days. Hope this helps you and have an amazing day!
3 0
3 years ago
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