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Schach [20]
3 years ago
15

How do you evaluate 11 c 5

Mathematics
1 answer:
swat323 years ago
6 0
You have 11 items and you need to choose 5 of the 11.
There are 462 ways to choose them.
The formula is :
11! / (5!6!)
n!/(r!(n-r)!)
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Solve for the variable 4/2 = 9/x<br> A x = 2/9 b x=4 C =4.5 D x= 18
Lesechka [4]

Answer:

\frac{4}{2}  =  \frac{9}{x}  \\

perform cross multiplication:

(4 \times x) = 9 \times 2 \\ 4x = 18 \\ → \: { \tt{x = 4.5}}

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Please help. Here's the question
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the temperature at noon was -27 degrees . the temperature increased by 13 degrees by 2pm . what was the temperature at 2pm
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I hope this helps!
5 0
3 years ago
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IrinaVladis [17]

Answer: D

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